122537998 has 16 divisors (see below), whose sum is σ = 200962944. Its totient is φ = 55575160.

The previous prime is 122537993. The next prime is 122537999. The reversal of 122537998 is 899735221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122537993) 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 7 ways as a sum of consecutive naturals, for example, 4311 + ... + 16237.

It is an arithmetic number, because the mean of its divisors is an integer number (12560184).

Almost surely, 2^122537998 is an apocalyptic number.

122537998 is a deficient number, since it is larger than the sum of its proper divisors (78424946).

122537998 is a wasteful number, since it uses less digits than its factorization.

122537998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12407.

The product of its digits is 272160, while the sum is 46.

The square root of 122537998 is about 11069.6882521596. The cubic root of 122537998 is about 496.6955398636.

The spelling of 122537998 in words is "one hundred twenty-two million, five hundred thirty-seven thousand, nine hundred ninety-eight".