122623995 has 16 divisors (see below), whose sum is σ = 211290912. Its totient is φ = 60368640.

The previous prime is 122623981. The next prime is 122623997. The reversal of 122623995 is 599326221.

It is not a de Polignac number, because 122623995 - 2⁴ = 122623979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (122623997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314226 + ... + 314615.

It is an arithmetic number, because the mean of its divisors is an integer number (13205682).

Almost surely, 2^122623995 is an apocalyptic number.

122623995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122623995 is a deficient number, since it is larger than the sum of its proper divisors (88666917).

122623995 is a wasteful number, since it uses less digits than its factorization.

122623995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628862.

The product of its digits is 58320, while the sum is 39.

The square root of 122623995 is about 11073.5719169562. The cubic root of 122623995 is about 496.8117061104.

The spelling of 122623995 in words is "one hundred twenty-two million, six hundred twenty-three thousand, nine hundred ninety-five".