122130459 has 12 divisors (see below), whose sum is σ = 192448152. Its totient is φ = 74018400.

The previous prime is 122130443. The next prime is 122130473. The reversal of 122130459 is 954031221.

It is not a de Polignac number, because 122130459 - 2⁴ = 122130443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122130419) 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 in 11 ways as a sum of consecutive naturals, for example, 616722 + ... + 616919.

It is an arithmetic number, because the mean of its divisors is an integer number (16037346).

Almost surely, 2^122130459 is an apocalyptic number.

122130459 is a deficient number, since it is larger than the sum of its proper divisors (70317693).

122130459 is a wasteful number, since it uses less digits than its factorization.

122130459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233658 (or 1233655 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 122130459 is about 11051.2650407091. The cubic root of 122130459 is about 496.1442887427.

The spelling of 122130459 in words is "one hundred twenty-two million, one hundred thirty thousand, four hundred fifty-nine".