122628130 has 32 divisors (see below), whose sum is σ = 227026800. Its totient is φ = 47662080.

The previous prime is 122628127. The next prime is 122628173. The reversal of 122628130 is 31826221.

It can be written as a sum of positive squares in 8 ways, for example, as 64304361 + 58323769 = 8019^2 + 7637^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122628095 and 122628104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142662 + ... + 143518.

Almost surely, 2^122628130 is an apocalyptic number.

122628130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122628130 is a deficient number, since it is larger than the sum of its proper divisors (104398670).

122628130 is a wasteful number, since it uses less digits than its factorization.

122628130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 122628130 is about 11073.7586211728. The cubic root of 122628130 is about 496.8172903718.

The spelling of 122628130 in words is "one hundred twenty-two million, six hundred twenty-eight thousand, one hundred thirty".