126626751 has 6 divisors (see below), whose sum is σ = 182905320. Its totient is φ = 84417828.

The previous prime is 126626743. The next prime is 126626791. The reversal of 126626751 is 157626621.

It is a happy number.

126626751 is a `hidden beast` number, since 1 + 26 + 626 + 7 + 5 + 1 = 666.

It is not a de Polignac number, because 126626751 - 2³ = 126626743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126626711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7034811 + ... + 7034828.

It is an arithmetic number, because the mean of its divisors is an integer number (30484220).

Almost surely, 2^126626751 is an apocalyptic number.

126626751 is a deficient number, since it is larger than the sum of its proper divisors (56278569).

126626751 is a wasteful number, since it uses less digits than its factorization.

126626751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14069645 (or 14069642 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 126626751 is about 11252.8552376719. The cubic root of 126626751 is about 502.1596596432.

The spelling of 126626751 in words is "one hundred twenty-six million, six hundred twenty-six thousand, seven hundred fifty-one".