126261316 has 24 divisors (see below), whose sum is σ = 227439576. Its totient is φ = 61286400.

The previous prime is 126261307. The next prime is 126261323. The reversal of 126261316 is 613162621.

It can be written as a sum of positive squares in 4 ways, for example, as 57304900 + 68956416 = 7570^2 + 8304^2 .

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 7 ways as a sum of consecutive naturals, for example, 103140 + ... + 104356.

It is an arithmetic number, because the mean of its divisors is an integer number (9476649).

Almost surely, 2^126261316 is an apocalyptic number.

It is an amenable number.

126261316 is a deficient number, since it is larger than the sum of its proper divisors (101178260).

126261316 is a wasteful number, since it uses less digits than its factorization.

126261316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959 (or 1957 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 126261316 is about 11236.6060712299. The cubic root of 126261316 is about 501.6761295674.

The spelling of 126261316 in words is "one hundred twenty-six million, two hundred sixty-one thousand, three hundred sixteen".