122512499 has 2 divisors, whose sum is σ = 122512500. Its totient is φ = 122512498.

The previous prime is 122512493. The next prime is 122512517. The reversal of 122512499 is 994215221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122512499 - 2¹² = 122508403 is a prime.

It is a super-2 number, since 2×122512499² = 30018624822450002, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (122512493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61256249 + 61256250.

It is an arithmetic number, because the mean of its divisors is an integer number (61256250).

Almost surely, 2^122512499 is an apocalyptic number.

122512499 is a deficient number, since it is larger than the sum of its proper divisors (1).

122512499 is an equidigital number, since it uses as much as digits as its factorization.

122512499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The square root of 122512499 is about 11068.5364434509. The cubic root of 122512499 is about 496.6610849234.

The spelling of 122512499 in words is "one hundred twenty-two million, five hundred twelve thousand, four hundred ninety-nine".