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121114745 = 524222949
BaseRepresentation
bin1110011100000…
…01000001111001
322102220021012022
413032001001321
5222001132440
620003524225
73000313133
oct716010171
9272807168
10121114745
1162403334
1234689675
131c12743b
141212a053
15a975cb5
hex7381079

121114745 has 4 divisors (see below), whose sum is σ = 145337700. Its totient is φ = 96891792.

The previous prime is 121114739. The next prime is 121114751. The reversal of 121114745 is 547411121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547411121 = 2843192547.

It is an interprime number because it is at equal distance from previous prime (121114739) and next prime (121114751).

It can be written as a sum of positive squares in 2 ways, for example, as 36529936 + 84584809 = 6044^2 + 9197^2 .

It is a cyclic number.

It is not a de Polignac number, because 121114745 - 24 = 121114729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12111470 + ... + 12111479.

It is an arithmetic number, because the mean of its divisors is an integer number (36334425).

Almost surely, 2121114745 is an apocalyptic number.

It is an amenable number.

121114745 is a deficient number, since it is larger than the sum of its proper divisors (24222955).

121114745 is an equidigital number, since it uses as much as digits as its factorization.

121114745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24222954.

The product of its digits is 1120, while the sum is 26.

The square root of 121114745 is about 11005.2144458888. The cubic root of 121114745 is about 494.7650417072.

Adding to 121114745 its reverse (547411121), we get a palindrome (668525866).

The spelling of 121114745 in words is "one hundred twenty-one million, one hundred fourteen thousand, seven hundred forty-five".

Divisors: 1 5 24222949 121114745