126294065 has 4 divisors (see below), whose sum is σ = 151552884. Its totient is φ = 101035248.

The previous prime is 126294059. The next prime is 126294073. The reversal of 126294065 is 560492621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560492621 = 13 ⋅43114817.

It can be written as a sum of positive squares in 2 ways, for example, as 23697424 + 102596641 = 4868^2 + 10129^2 .

It is a cyclic number.

It is not a de Polignac number, because 126294065 - 2⁶ = 126294001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12629402 + ... + 12629411.

It is an arithmetic number, because the mean of its divisors is an integer number (37888221).

Almost surely, 2^126294065 is an apocalyptic number.

It is an amenable number.

126294065 is a deficient number, since it is larger than the sum of its proper divisors (25258819).

126294065 is an equidigital number, since it uses as much as digits as its factorization.

126294065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25258818.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 126294065 is about 11238.0632228156. The cubic root of 126294065 is about 501.7194998618.

The spelling of 126294065 in words is "one hundred twenty-six million, two hundred ninety-four thousand, sixty-five".