126677947 has 8 divisors (see below), whose sum is σ = 139463280. Its totient is φ = 114104160.

The previous prime is 126677923. The next prime is 126677981. The reversal of 126677947 is 749776621.

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

It is a cyclic number.

It is not a de Polignac number, because 126677947 - 2⁷ = 126677819 is a prime.

It is a super-2 number, since 2×126677947² = 32094604512269618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126677947.

It is not an unprimeable number, because it can be changed into a prime (126677147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51628 + ... + 54025.

It is an arithmetic number, because the mean of its divisors is an integer number (17432910).

Almost surely, 2^126677947 is an apocalyptic number.

126677947 is a deficient number, since it is larger than the sum of its proper divisors (12785333).

126677947 is a wasteful number, since it uses less digits than its factorization.

126677947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105773.

The product of its digits is 889056, while the sum is 49.

The square root of 126677947 is about 11255.1298082252. The cubic root of 126677947 is about 502.2273259717.

The spelling of 126677947 in words is "one hundred twenty-six million, six hundred seventy-seven thousand, nine hundred forty-seven".