126630620 has 24 divisors (see below), whose sum is σ = 281567664. Its totient is φ = 47672576.

The previous prime is 126630593. The next prime is 126630689. The reversal of 126630620 is 26036621.

It is a self number, because there is not a number n which added to its sum of digits gives 126630620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185882 + ... + 186561.

It is an arithmetic number, because the mean of its divisors is an integer number (11731986).

Almost surely, 2^126630620 is an apocalyptic number.

126630620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126630620 is an abundant number, since it is smaller than the sum of its proper divisors (154937044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126630620 is a wasteful number, since it uses less digits than its factorization.

126630620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372469 (or 372467 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 126630620 is about 11253.0271482833. The cubic root of 126630620 is about 502.1647739810.

The spelling of 126630620 in words is "one hundred twenty-six million, six hundred thirty thousand, six hundred twenty".