126707305 has 8 divisors (see below), whose sum is σ = 152167752. Its totient is φ = 101286528.

The previous prime is 126707297. The next prime is 126707311. The reversal of 126707305 is 503707621.

It can be written as a sum of positive squares in 4 ways, for example, as 63297936 + 63409369 = 7956^2 + 7963^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126707305 - 2³ = 126707297 is a prime.

It is a super-2 number, since 2×126707305² = 32109482280726050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2364 + ... + 16093.

It is an arithmetic number, because the mean of its divisors is an integer number (19020969).

Almost surely, 2^126707305 is an apocalyptic number.

It is an amenable number.

126707305 is a deficient number, since it is larger than the sum of its proper divisors (25460447).

126707305 is a wasteful number, since it uses less digits than its factorization.

126707305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19835.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 126707305 is about 11256.4339379752. The cubic root of 126707305 is about 502.2661205457.

The spelling of 126707305 in words is "one hundred twenty-six million, seven hundred seven thousand, three hundred five".