122735157 has 8 divisors (see below), whose sum is σ = 163716576. Its totient is φ = 81788592.

The previous prime is 122735083. The next prime is 122735159. The reversal of 122735157 is 751537221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122735157 - 2⁸ = 122734901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122735159) 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, 1078 + ... + 15704.

It is an arithmetic number, because the mean of its divisors is an integer number (20464572).

Almost surely, 2^122735157 is an apocalyptic number.

It is an amenable number.

122735157 is a deficient number, since it is larger than the sum of its proper divisors (40981419).

122735157 is a wasteful number, since it uses less digits than its factorization.

122735157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17427.

The product of its digits is 14700, while the sum is 33.

The square root of 122735157 is about 11078.5900276163. The cubic root of 122735157 is about 496.9617852287.

The spelling of 122735157 in words is "one hundred twenty-two million, seven hundred thirty-five thousand, one hundred fifty-seven".