123064915 has 16 divisors (see below), whose sum is σ = 149992128. Its totient is φ = 96921216.

The previous prime is 123064913. The next prime is 123064943. The reversal of 123064915 is 519460321.

It is a cyclic number.

It is not a de Polignac number, because 123064915 - 2¹ = 123064913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123064913) 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, 100849 + ... + 102061.

It is an arithmetic number, because the mean of its divisors is an integer number (9374508).

Almost surely, 2^123064915 is an apocalyptic number.

123064915 is a deficient number, since it is larger than the sum of its proper divisors (26927213).

123064915 is a wasteful number, since it uses less digits than its factorization.

123064915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 123064915 is about 11093.4627145901. The cubic root of 123064915 is about 497.4064569965.

The spelling of 123064915 in words is "one hundred twenty-three million, sixty-four thousand, nine hundred fifteen".