122945613 has 16 divisors (see below), whose sum is σ = 188398080. Its totient is φ = 69860016.

The previous prime is 122945611. The next prime is 122945617. The reversal of 122945613 is 316549221.

It is not a de Polignac number, because 122945613 - 2¹ = 122945611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122945611) 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, 12595 + ... + 20112.

It is an arithmetic number, because the mean of its divisors is an integer number (11774880).

Almost surely, 2^122945613 is an apocalyptic number.

It is an amenable number.

122945613 is a deficient number, since it is larger than the sum of its proper divisors (65452467).

122945613 is a wasteful number, since it uses less digits than its factorization.

122945613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32896.

The product of its digits is 12960, while the sum is 33.

The square root of 122945613 is about 11088.0842799827. The cubic root of 122945613 is about 497.2456725543.

The spelling of 122945613 in words is "one hundred twenty-two million, nine hundred forty-five thousand, six hundred thirteen".