126507947 has 16 divisors (see below), whose sum is σ = 138336000. Its totient is φ = 115232544.

The previous prime is 126507943. The next prime is 126507967. The reversal of 126507947 is 749705621.

It is not a de Polignac number, because 126507947 - 2² = 126507943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126507943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241628 + ... + 242150.

It is an arithmetic number, because the mean of its divisors is an integer number (8646000).

Almost surely, 2^126507947 is an apocalyptic number.

126507947 is a deficient number, since it is larger than the sum of its proper divisors (11828053).

126507947 is a wasteful number, since it uses less digits than its factorization.

126507947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 126507947 is about 11247.5751608958. The cubic root of 126507947 is about 502.0025647610.

The spelling of 126507947 in words is "one hundred twenty-six million, five hundred seven thousand, nine hundred forty-seven".