122535231 has 48 divisors (see below), whose sum is σ = 210327264. Its totient is φ = 62850816.

The previous prime is 122535229. The next prime is 122535233. The reversal of 122535231 is 132535221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122535229) and next prime (122535233).

It is not a de Polignac number, because 122535231 - 2¹ = 122535229 is a prime.

It is a super-2 number, since 2×122535231² = 30029765672446722, which contains 22 as substring.

Its product of digits (1800) is a multiple of the sum of its prime factors (1800).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122535233) 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 47 ways as a sum of consecutive naturals, for example, 69841 + ... + 71573.

It is an arithmetic number, because the mean of its divisors is an integer number (4381818).

Almost surely, 2^122535231 is an apocalyptic number.

122535231 is a deficient number, since it is larger than the sum of its proper divisors (87792033).

122535231 is a wasteful number, since it uses less digits than its factorization.

122535231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800 (or 1793 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 122535231 is about 11069.5632705179. The cubic root of 122535231 is about 496.6918012494.

The spelling of 122535231 in words is "one hundred twenty-two million, five hundred thirty-five thousand, two hundred thirty-one".