122013508 has 6 divisors (see below), whose sum is σ = 213523646. Its totient is φ = 61006752.

The previous prime is 122013503. The next prime is 122013509. The reversal of 122013508 is 805310221.

It can be written as a sum of positive squares in only one way, i.e., 119727364 + 2286144 = 10942^2 + 1512^2 .

It is a super-2 number, since 2×122013508² = 29774592268932128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122013503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15251685 + ... + 15251692.

Almost surely, 2^122013508 is an apocalyptic number.

It is an amenable number.

122013508 is a deficient number, since it is larger than the sum of its proper divisors (91510138).

122013508 is a wasteful number, since it uses less digits than its factorization.

122013508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30503381 (or 30503379 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 122013508 is about 11045.9724786910. The cubic root of 122013508 is about 495.9858704352.

Adding to 122013508 its reverse (805310221), we get a palindrome (927323729).

The spelling of 122013508 in words is "one hundred twenty-two million, thirteen thousand, five hundred eight".