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121153701 = 340384567
BaseRepresentation
bin1110011100010…
…10100010100101
322102222020122010
413032022202211
5222003404301
620004424433
73000534534
oct716124245
9272866563
10121153701
116242a629
12346a8119
131c13c0a6
141213a31b
15a9825d6
hex738a8a5

121153701 has 4 divisors (see below), whose sum is σ = 161538272. Its totient is φ = 80769132.

The previous prime is 121153699. The next prime is 121153717. The reversal of 121153701 is 107351121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 121153701 - 21 = 121153699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121153751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20192281 + ... + 20192286.

It is an arithmetic number, because the mean of its divisors is an integer number (40384568).

Almost surely, 2121153701 is an apocalyptic number.

It is an amenable number.

121153701 is a deficient number, since it is larger than the sum of its proper divisors (40384571).

121153701 is an equidigital number, since it uses as much as digits as its factorization.

121153701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40384570.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 121153701 is about 11006.9841918665. The cubic root of 121153701 is about 494.8180823200.

The spelling of 121153701 in words is "one hundred twenty-one million, one hundred fifty-three thousand, seven hundred one".

Divisors: 1 3 40384567 121153701