1264196732 has 24 divisors (see below), whose sum is σ = 2287162416. Its totient is φ = 611025408.

The previous prime is 1264196693. The next prime is 1264196743. The reversal of 1264196732 is 2376914621.

It is a self number, because there is not a number n which added to its sum of digits gives 1264196732.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21203 + ... + 54570.

It is an arithmetic number, because the mean of its divisors is an integer number (95298434).

Almost surely, 2^1264196732 is an apocalyptic number.

It is an amenable number.

1264196732 is a deficient number, since it is larger than the sum of its proper divisors (1022965684).

1264196732 is a wasteful number, since it uses less digits than its factorization.

1264196732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75917 (or 75915 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 1264196732 is about 35555.5443215260. The cubic root of 1264196732 is about 1081.2801270098.

The spelling of 1264196732 in words is "one billion, two hundred sixty-four million, one hundred ninety-six thousand, seven hundred thirty-two".