126709265 has 12 divisors (see below), whose sum is σ = 157480284. Its totient is φ = 97868736.

The previous prime is 126709249. The next prime is 126709283. The reversal of 126709265 is 562907621.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2676496 + 124032769 = 1636^2 + 11137^2 .

It is not a de Polignac number, because 126709265 - 2⁴ = 126709249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10862 + ... + 19271.

It is an arithmetic number, because the mean of its divisors is an integer number (13123357).

Almost surely, 2^126709265 is an apocalyptic number.

It is an amenable number.

126709265 is a deficient number, since it is larger than the sum of its proper divisors (30771019).

126709265 is an equidigital number, since it uses as much as digits as its factorization.

126709265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30196 (or 30167 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 126709265 is about 11256.5209989588. The cubic root of 126709265 is about 502.2687103373.

The spelling of 126709265 in words is "one hundred twenty-six million, seven hundred nine thousand, two hundred sixty-five".