126726725 has 12 divisors (see below), whose sum is σ = 157284576. Its totient is φ = 101288880.

The previous prime is 126726709. The next prime is 126726727. The reversal of 126726725 is 527627621.

It is a happy number.

It is not a de Polignac number, because 126726725 - 2⁴ = 126726709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126726727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43154 + ... + 45996.

It is an arithmetic number, because the mean of its divisors is an integer number (13107048).

Almost surely, 2^126726725 is an apocalyptic number.

It is an amenable number.

126726725 is a deficient number, since it is larger than the sum of its proper divisors (30557851).

126726725 is a wasteful number, since it uses less digits than its factorization.

126726725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636 (or 4631 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 126726725 is about 11257.2965227003. The cubic root of 126726725 is about 502.2917794446.

The spelling of 126726725 in words is "one hundred twenty-six million, seven hundred twenty-six thousand, seven hundred twenty-five".