1232577901 has 2 divisors, whose sum is σ = 1232577902. Its totient is φ = 1232577900.

The previous prime is 1232577869. The next prime is 1232577943. The reversal of 1232577901 is 1097752321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 702197001 + 530380900 = 26499^2 + 23030^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232577901 - 2⁵ = 1232577869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232574901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616288950 + 616288951.

It is an arithmetic number, because the mean of its divisors is an integer number (616288951).

Almost surely, 2^1232577901 is an apocalyptic number.

It is an amenable number.

1232577901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232577901 is an equidigital number, since it uses as much as digits as its factorization.

1232577901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 1232577901 is about 35108.0888257963. The cubic root of 1232577901 is about 1072.1892756887.

The spelling of 1232577901 in words is "one billion, two hundred thirty-two million, five hundred seventy-seven thousand, nine hundred one".