126815112 has 32 divisors (see below), whose sum is σ = 352264800. Its totient is φ = 42271632.

The previous prime is 126815033. The next prime is 126815137. The reversal of 126815112 is 211518621.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 7 ways as a sum of consecutive naturals, for example, 293338 + ... + 293769.

It is an arithmetic number, because the mean of its divisors is an integer number (11008275).

Almost surely, 2^126815112 is an apocalyptic number.

126815112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126815112 is an abundant number, since it is smaller than the sum of its proper divisors (225449688).

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

126815112 is a wasteful number, since it uses less digits than its factorization.

126815112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587122 (or 587112 counting only the distinct ones).

The product of its digits is 960, while the sum is 27.

The square root of 126815112 is about 11261.2216033608. The cubic root of 126815112 is about 502.4085286833.

The spelling of 126815112 in words is "one hundred twenty-six million, eight hundred fifteen thousand, one hundred twelve".