121351307 has 8 divisors (see below), whose sum is σ = 151295232. Its totient is φ = 94559400.

The previous prime is 121351261. The next prime is 121351313. The reversal of 121351307 is 703153121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121351307 - 2¹² = 121347211 is a prime.

It is a super-2 number, since 2×121351307² = 29452279421216498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121351907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 787919 + ... + 788072.

It is an arithmetic number, because the mean of its divisors is an integer number (18911904).

Almost surely, 2^121351307 is an apocalyptic number.

121351307 is a deficient number, since it is larger than the sum of its proper divisors (29943925).

121351307 is a wasteful number, since it uses less digits than its factorization.

121351307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576009.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 121351307 is about 11015.9569262048. The cubic root of 121351307 is about 495.0869581610.

The spelling of 121351307 in words is "one hundred twenty-one million, three hundred fifty-one thousand, three hundred seven".