1232612745 has 64 divisors (see below), whose sum is σ = 2555105280. Its totient is φ = 492749568.

The previous prime is 1232612729. The next prime is 1232612749. The reversal of 1232612745 is 5472162321.

It is not a de Polignac number, because 1232612745 - 2⁴ = 1232612729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1232612749) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2172 + ... + 49698.

It is an arithmetic number, because the mean of its divisors is an integer number (39923520).

Almost surely, 2^1232612745 is an apocalyptic number.

1232612745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1232612745 is an abundant number, since it is smaller than the sum of its proper divisors (1322492535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1232612745 is a wasteful number, since it uses less digits than its factorization.

1232612745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47574.

The product of its digits is 20160, while the sum is 33.

The square root of 1232612745 is about 35108.5850612069. The cubic root of 1232612745 is about 1072.1993789071.

The spelling of 1232612745 in words is "one billion, two hundred thirty-two million, six hundred twelve thousand, seven hundred forty-five".