126936878 has 8 divisors (see below), whose sum is σ = 196547520. Its totient is φ = 61421040.

The previous prime is 126936877. The next prime is 126936883. The reversal of 126936878 is 878639621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×126936878² = 32225941992773768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126936877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023623 + ... + 1023746.

It is an arithmetic number, because the mean of its divisors is an integer number (24568440).

Almost surely, 2^126936878 is an apocalyptic number.

126936878 is a deficient number, since it is larger than the sum of its proper divisors (69610642).

126936878 is a wasteful number, since it uses less digits than its factorization.

126936878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047402.

The product of its digits is 870912, while the sum is 50.

The square root of 126936878 is about 11266.6267356294. The cubic root of 126936878 is about 502.5692789971.

The spelling of 126936878 in words is "one hundred twenty-six million, nine hundred thirty-six thousand, eight hundred seventy-eight".