126356500 has 24 divisors (see below), whose sum is σ = 275963688. Its totient is φ = 50542400.

The previous prime is 126356473. The next prime is 126356507. The reversal of 126356500 is 5653621.

It can be written as a sum of positive squares in 4 ways, for example, as 3678724 + 122677776 = 1918^2 + 11076^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126356507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125857 + ... + 126856.

It is an arithmetic number, because the mean of its divisors is an integer number (11498487).

Almost surely, 2^126356500 is an apocalyptic number.

126356500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126356500 is an abundant number, since it is smaller than the sum of its proper divisors (149607188).

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

126356500 is a wasteful number, since it uses less digits than its factorization.

126356500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252732 (or 252720 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 126356500 is about 11240.8407158895. The cubic root of 126356500 is about 501.8021632776.

The spelling of 126356500 in words is "one hundred twenty-six million, three hundred fifty-six thousand, five hundred".