122930387 has 6 divisors (see below), whose sum is σ = 124513788. Its totient is φ = 121349504.

The previous prime is 122930371. The next prime is 122930393. The reversal of 122930387 is 783039221.

It is not a de Polignac number, because 122930387 - 2⁴ = 122930371 is a prime.

It is a super-2 number, since 2×122930387² = 30223760095939538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122930347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100403 + ... + 101619.

It is an arithmetic number, because the mean of its divisors is an integer number (20752298).

Almost surely, 2^122930387 is an apocalyptic number.

122930387 is a deficient number, since it is larger than the sum of its proper divisors (1583401).

122930387 is an frugal number, since it uses more digits than its factorization.

122930387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 122930387 is about 11087.3976658186. The cubic root of 122930387 is about 497.2251448456.

The spelling of 122930387 in words is "one hundred twenty-two million, nine hundred thirty thousand, three hundred eighty-seven".