122613237 has 32 divisors (see below), whose sum is σ = 185794560. Its totient is φ = 79899120.

The previous prime is 122613229. The next prime is 122613259. The reversal of 122613237 is 732316221.

122613237 is a `hidden beast` number, since 1 + 22 + 613 + 23 + 7 = 666.

It is not a de Polignac number, because 122613237 - 2³ = 122613229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 122613237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122613217) 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 31 ways as a sum of consecutive naturals, for example, 319948 + ... + 320330.

It is an arithmetic number, because the mean of its divisors is an integer number (5806080).

Almost surely, 2^122613237 is an apocalyptic number.

It is an amenable number.

122613237 is a deficient number, since it is larger than the sum of its proper divisors (63181323).

122613237 is a wasteful number, since it uses less digits than its factorization.

122613237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 624 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 122613237 is about 11073.0861551782. The cubic root of 122613237 is about 496.7971769893.

Adding to 122613237 its reverse (732316221), we get a palindrome (854929458).

The spelling of 122613237 in words is "one hundred twenty-two million, six hundred thirteen thousand, two hundred thirty-seven".