126250530 has 32 divisors (see below), whose sum is σ = 346287744. Its totient is φ = 28857216.

The previous prime is 126250511. The next prime is 126250547. The reversal of 126250530 is 35052621.

It is a self number, because there is not a number n which added to its sum of digits gives 126250530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300387 + ... + 300806.

It is an arithmetic number, because the mean of its divisors is an integer number (10821492).

Almost surely, 2^126250530 is an apocalyptic number.

126250530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126250530 is an abundant number, since it is smaller than the sum of its proper divisors (220037214).

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

126250530 is a wasteful number, since it uses less digits than its factorization.

126250530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601210.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 126250530 is about 11236.1261117878. The cubic root of 126250530 is about 501.6618437645.

The spelling of 126250530 in words is "one hundred twenty-six million, two hundred fifty thousand, five hundred thirty".