126261878 has 16 divisors (see below), whose sum is σ = 204225840. Its totient is φ = 58348800.

The previous prime is 126261869. The next prime is 126261917. The reversal of 126261878 is 878162621.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

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, 38963 + ... + 42078.

It is an arithmetic number, because the mean of its divisors is an integer number (12764115).

Almost surely, 2^126261878 is an apocalyptic number.

126261878 is a deficient number, since it is larger than the sum of its proper divisors (77963962).

126261878 is a wasteful number, since it uses less digits than its factorization.

126261878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81103.

The product of its digits is 64512, while the sum is 41.

The square root of 126261878 is about 11236.6310787531. The cubic root of 126261878 is about 501.6768739009.

The spelling of 126261878 in words is "one hundred twenty-six million, two hundred sixty-one thousand, eight hundred seventy-eight".