126701636 has 12 divisors (see below), whose sum is σ = 225363180. Its totient is φ = 62312160.

The previous prime is 126701621. The next prime is 126701651. The reversal of 126701636 is 636107621.

It is an interprime number because it is at equal distance from previous prime (126701621) and next prime (126701651).

It can be written as a sum of positive squares in 2 ways, for example, as 18541636 + 108160000 = 4306^2 + 10400^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259391 + ... + 259878.

It is an arithmetic number, because the mean of its divisors is an integer number (18780265).

Almost surely, 2^126701636 is an apocalyptic number.

It is an amenable number.

126701636 is a deficient number, since it is larger than the sum of its proper divisors (98661544).

126701636 is a wasteful number, since it uses less digits than its factorization.

126701636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519334 (or 519332 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 126701636 is about 11256.1821236154. The cubic root of 126701636 is about 502.2586298197.

The spelling of 126701636 in words is "one hundred twenty-six million, seven hundred one thousand, six hundred thirty-six".