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121120033 = 409296137
BaseRepresentation
bin1110011100000…
…10010100100001
322102220112110011
413032002110201
5222001320113
620004004521
73000334426
oct716022441
9272815404
10121120033
1162407301
1234690741
131c129978
141212bd4d
15a97763d
hex7382521

121120033 has 4 divisors (see below), whose sum is σ = 121416580. Its totient is φ = 120823488.

The previous prime is 121120009. The next prime is 121120057. The reversal of 121120033 is 330021121.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (121120009) and next prime (121120057).

It can be written as a sum of positive squares in 2 ways, for example, as 73136704 + 47983329 = 8552^2 + 6927^2 .

It is a cyclic number.

It is not a de Polignac number, because 121120033 - 29 = 121119521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121119995 and 121120022.

It is not an unprimeable number, because it can be changed into a prime (121120063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147660 + ... + 148477.

It is an arithmetic number, because the mean of its divisors is an integer number (30354145).

Almost surely, 2121120033 is an apocalyptic number.

It is an amenable number.

121120033 is a deficient number, since it is larger than the sum of its proper divisors (296547).

121120033 is an equidigital number, since it uses as much as digits as its factorization.

121120033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296546.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 121120033 is about 11005.4546930147. The cubic root of 121120033 is about 494.7722422604.

Adding to 121120033 its reverse (330021121), we get a palindrome (451141154).

The spelling of 121120033 in words is "one hundred twenty-one million, one hundred twenty thousand, thirty-three".

Divisors: 1 409 296137 121120033