126557352 has 24 divisors (see below), whose sum is σ = 342759690. Its totient is φ = 42185760.

The previous prime is 126557311. The next prime is 126557359. The reversal of 126557352 is 253755621.

It can be written as a sum of positive squares in only one way, i.e., 67667076 + 58890276 = 8226^2 + 7674^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (126557359) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 878799 + ... + 878942.

Almost surely, 2^126557352 is an apocalyptic number.

126557352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126557352 is an abundant number, since it is smaller than the sum of its proper divisors (216202338).

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

126557352 is a wasteful number, since it uses less digits than its factorization.

126557352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757753 (or 1757746 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 126557352 is about 11249.7711976733. The cubic root of 126557352 is about 502.0679050800.

It can be divided in two parts, 1265573 and 52, that added together give a square (1265625 = 1125²).

The spelling of 126557352 in words is "one hundred twenty-six million, five hundred fifty-seven thousand, three hundred fifty-two".