121152307 has 4 divisors (see below), whose sum is σ = 121583736. Its totient is φ = 120720880.

The previous prime is 121152299. The next prime is 121152313. The reversal of 121152307 is 703251121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121152307 - 2³ = 121152299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121159307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215293 + ... + 215854.

It is an arithmetic number, because the mean of its divisors is an integer number (30395934).

Almost surely, 2^121152307 is an apocalyptic number.

121152307 is a deficient number, since it is larger than the sum of its proper divisors (431429).

121152307 is an equidigital number, since it uses as much as digits as its factorization.

121152307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431428.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 121152307 is about 11006.9208682538. The cubic root of 121152307 is about 494.8161845129.

The spelling of 121152307 in words is "one hundred twenty-one million, one hundred fifty-two thousand, three hundred seven".