126877947 has 24 divisors (see below), whose sum is σ = 199807488. Its totient is φ = 70151760.

The previous prime is 126877943. The next prime is 126877973. The reversal of 126877947 is 749778621.

It is not a de Polignac number, because 126877947 - 2² = 126877943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126877947.

It is not an unprimeable number, because it can be changed into a prime (126877943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17038 + ... + 23324.

It is an arithmetic number, because the mean of its divisors is an integer number (8325312).

Almost surely, 2^126877947 is an apocalyptic number.

126877947 is a deficient number, since it is larger than the sum of its proper divisors (72929541).

126877947 is an equidigital number, since it uses as much as digits as its factorization.

126877947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6359 (or 6328 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 51.

The square root of 126877947 is about 11264.0111416848. The cubic root of 126877947 is about 502.4914936309.

The spelling of 126877947 in words is "one hundred twenty-six million, eight hundred seventy-seven thousand, nine hundred forty-seven".