122630156 has 12 divisors (see below), whose sum is σ = 234112200. Its totient is φ = 55740960.

The previous prime is 122630119. The next prime is 122630159. The reversal of 122630156 is 651036221.

122630156 is nontrivially palindromic in base 3.

It is not an unprimeable number, because it can be changed into a prime (122630159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393481 + ... + 1393568.

It is an arithmetic number, because the mean of its divisors is an integer number (19509350).

Almost surely, 2^122630156 is an apocalyptic number.

It is an amenable number.

122630156 is a deficient number, since it is larger than the sum of its proper divisors (111482044).

122630156 is a wasteful number, since it uses less digits than its factorization.

122630156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787064 (or 2787062 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 122630156 is about 11073.8500983172. The cubic root of 122630156 is about 496.8200264115.

Adding to 122630156 its reverse (651036221), we get a palindrome (773666377).

The spelling of 122630156 in words is "one hundred twenty-two million, six hundred thirty thousand, one hundred fifty-six".