65122715 has 12 divisors (see below), whose sum is σ = 90906336. Its totient is φ = 44655408.

The previous prime is 65122693. The next prime is 65122741. The reversal of 65122715 is 51722156.

It is not a de Polignac number, because 65122715 - 2¹⁰ = 65121691 is a prime.

It is a Duffinian 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, 132659 + ... + 133148.

It is an arithmetic number, because the mean of its divisors is an integer number (7575528).

Almost surely, 2^65122715 is an apocalyptic number.

65122715 is a deficient number, since it is larger than the sum of its proper divisors (25783621).

65122715 is a wasteful number, since it uses less digits than its factorization.

65122715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265826 (or 265819 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 65122715 is about 8069.8646209215. The cubic root of 65122715 is about 402.3254441585.

The spelling of 65122715 in words is "sixty-five million, one hundred twenty-two thousand, seven hundred fifteen".