126556410 has 16 divisors (see below), whose sum is σ = 303735456. Its totient is φ = 33748368.

The previous prime is 126556399. The next prime is 126556433. The reversal of 126556410 is 14655621.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4218547 = 126556410 / (1 + 2 + 6 + 5 + 5 + 6 + 4 + 1 + 0).

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, 2109244 + ... + 2109303.

It is an arithmetic number, because the mean of its divisors is an integer number (18983466).

Almost surely, 2^126556410 is an apocalyptic number.

126556410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126556410 is an abundant number, since it is smaller than the sum of its proper divisors (177179046).

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

126556410 is a wasteful number, since it uses less digits than its factorization.

126556410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218557.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 126556410 is about 11249.7293300772. The cubic root of 126556410 is about 502.0666594020.

It can be divided in two parts, 1265 and 56410, that added together give a palindrome (57675).

The spelling of 126556410 in words is "one hundred twenty-six million, five hundred fifty-six thousand, four hundred ten".