1232972739 has 8 divisors (see below), whose sum is σ = 1826626320. Its totient is φ = 821981808.

The previous prime is 1232972731. The next prime is 1232972743. The reversal of 1232972739 is 9372792321.

It is a happy number.

It is not a de Polignac number, because 1232972739 - 2³ = 1232972731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232972694 and 1232972703.

It is not an unprimeable number, because it can be changed into a prime (1232972731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22832802 + ... + 22832855.

It is an arithmetic number, because the mean of its divisors is an integer number (228328290).

Almost surely, 2^1232972739 is an apocalyptic number.

1232972739 is a deficient number, since it is larger than the sum of its proper divisors (593653581).

1232972739 is an equidigital number, since it uses as much as digits as its factorization.

1232972739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45665666 (or 45665660 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 1232972739 is about 35113.7115526115. The cubic root of 1232972739 is about 1072.3037500959.

The spelling of 1232972739 in words is "one billion, two hundred thirty-two million, nine hundred seventy-two thousand, seven hundred thirty-nine".