1232658065 has 4 divisors (see below), whose sum is σ = 1479189684. Its totient is φ = 986126448.

The previous prime is 1232658061. The next prime is 1232658073. The reversal of 1232658065 is 5608562321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5608562321 = 227 ⋅24707323.

It can be written as a sum of positive squares in 2 ways, for example, as 335475856 + 897182209 = 18316^2 + 29953^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232658065 - 2² = 1232658061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232658061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123265802 + ... + 123265811.

It is an arithmetic number, because the mean of its divisors is an integer number (369797421).

Almost surely, 2^1232658065 is an apocalyptic number.

It is an amenable number.

1232658065 is a deficient number, since it is larger than the sum of its proper divisors (246531619).

1232658065 is an equidigital number, since it uses as much as digits as its factorization.

1232658065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246531618.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 1232658065 is about 35109.2304814560. The cubic root of 1232658065 is about 1072.2125194171.

The spelling of 1232658065 in words is "one billion, two hundred thirty-two million, six hundred fifty-eight thousand, sixty-five".