126670525 has 12 divisors (see below), whose sum is σ = 160903764. Its totient is φ = 98864000.

The previous prime is 126670513. The next prime is 126670529. The reversal of 126670525 is 525076621.

It can be written as a sum of positive squares in 6 ways, for example, as 21279769 + 105390756 = 4613^2 + 10266^2 .

It is not a de Polignac number, because 126670525 - 2⁹ = 126670013 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 (126670529) 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 11 ways as a sum of consecutive naturals, for example, 60766 + ... + 62815.

It is an arithmetic number, because the mean of its divisors is an integer number (13408647).

Almost surely, 2^126670525 is an apocalyptic number.

It is an amenable number.

126670525 is a deficient number, since it is larger than the sum of its proper divisors (34233239).

126670525 is a wasteful number, since it uses less digits than its factorization.

126670525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123632 (or 123627 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 126670525 is about 11254.8000870740. The cubic root of 126670525 is about 502.2175173610.

The spelling of 126670525 in words is "one hundred twenty-six million, six hundred seventy thousand, five hundred twenty-five".