126155872 has 36 divisors (see below), whose sum is σ = 251555220. Its totient is φ = 62278656.

The previous prime is 126155797. The next prime is 126155879. The reversal of 126155872 is 278551621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126155879) 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, 300879 + ... + 301297.

It is an arithmetic number, because the mean of its divisors is an integer number (6987645).

Almost surely, 2^126155872 is an apocalyptic number.

It is an amenable number.

126155872 is a deficient number, since it is larger than the sum of its proper divisors (125399348).

126155872 is an frugal number, since it uses more digits than its factorization.

126155872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 518 counting only the distinct ones).

The product of its digits is 33600, while the sum is 37.

The square root of 126155872 is about 11231.9131050770. The cubic root of 126155872 is about 501.5364365561.

The spelling of 126155872 in words is "one hundred twenty-six million, one hundred fifty-five thousand, eight hundred seventy-two".