121310607 has 12 divisors (see below), whose sum is σ = 177789080. Its totient is φ = 73521360.

The previous prime is 121310561. The next prime is 121310633. The reversal of 121310607 is 706013121.

121310607 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 121310607 - 2⁶ = 121310543 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 (121310647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166732 + ... + 167457.

Almost surely, 2^121310607 is an apocalyptic number.

121310607 is a deficient number, since it is larger than the sum of its proper divisors (56478473).

121310607 is a wasteful number, since it uses less digits than its factorization.

121310607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334214 (or 334203 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 121310607 is about 11014.1094510632. The cubic root of 121310607 is about 495.0316029206.

Adding to 121310607 its reverse (706013121), we get a palindrome (827323728).

The spelling of 121310607 in words is "one hundred twenty-one million, three hundred ten thousand, six hundred seven".