1232740507 has 4 divisors (see below), whose sum is σ = 1266057856. Its totient is φ = 1199423160.

The previous prime is 1232740493. The next prime is 1232740519. The reversal of 1232740507 is 7050472321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232740507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232740307) 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, 16658619 + ... + 16658692.

It is an arithmetic number, because the mean of its divisors is an integer number (316514464).

Almost surely, 2^1232740507 is an apocalyptic number.

1232740507 is a deficient number, since it is larger than the sum of its proper divisors (33317349).

1232740507 is an equidigital number, since it uses as much as digits as its factorization.

1232740507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33317348.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 1232740507 is about 35110.4045405347. The cubic root of 1232740507 is about 1072.2364226055.

The spelling of 1232740507 in words is "one billion, two hundred thirty-two million, seven hundred forty thousand, five hundred seven".