126251502630 has 64 divisors (see below), whose sum is σ = 330603856128. Its totient is φ = 30601381760.

The previous prime is 126251502617. The next prime is 126251502667. The reversal of 126251502630 is 36205152621.

126251502630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 126251502591 and 126251502600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2216872 + ... + 2273108.

It is an arithmetic number, because the mean of its divisors is an integer number (5165685252).

Almost surely, 2^126251502630 is an apocalyptic number.

126251502630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126251502630 is an abundant number, since it is smaller than the sum of its proper divisors (204352353498).

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

126251502630 is a wasteful number, since it uses less digits than its factorization.

126251502630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63061.

The product of its (nonzero) digits is 21600, while the sum is 33.

It can be divided in two parts, 126251 and 502630, that added together give a triangular number (628881 = T₁₁₂₁).

The spelling of 126251502630 in words is "one hundred twenty-six billion, two hundred fifty-one million, five hundred two thousand, six hundred thirty".