126431530 has 16 divisors (see below), whose sum is σ = 227816064. Its totient is φ = 50519440.

The previous prime is 126431507. The next prime is 126431563. The reversal of 126431530 is 35134621.

It is a junction number, because it is equal to n+sod(n) for n = 126431495 and 126431504.

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, 4179 + ... + 16441.

It is an arithmetic number, because the mean of its divisors is an integer number (14238504).

Almost surely, 2^126431530 is an apocalyptic number.

126431530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126431530 is a deficient number, since it is larger than the sum of its proper divisors (101384534).

126431530 is a wasteful number, since it uses less digits than its factorization.

126431530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13301.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 126431530 is about 11244.1776044315. The cubic root of 126431530 is about 501.9014663516.

The spelling of 126431530 in words is "one hundred twenty-six million, four hundred thirty-one thousand, five hundred thirty".