120640667 has 16 divisors (see below), whose sum is σ = 145333440. Its totient is φ = 97948032.

The previous prime is 120640631. The next prime is 120640679. The reversal of 120640667 is 766046021.

It is not a de Polignac number, because 120640667 - 2⁸ = 120640411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120640697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5153 + ... + 16365.

It is an arithmetic number, because the mean of its divisors is an integer number (9083340).

Almost surely, 2^120640667 is an apocalyptic number.

120640667 is a deficient number, since it is larger than the sum of its proper divisors (24692773).

120640667 is a wasteful number, since it uses less digits than its factorization.

120640667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11302.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 120640667 is about 10983.6545375390. The cubic root of 120640667 is about 494.1186466152.

Adding to 120640667 its reverse (766046021), we get a palindrome (886686688).

The spelling of 120640667 in words is "one hundred twenty million, six hundred forty thousand, six hundred sixty-seven".