1264172360 has 64 divisors (see below), whose sum is σ = 3285515520. Its totient is φ = 432655360.

The previous prime is 1264172359. The next prime is 1264172363. The reversal of 1264172360 is 632714621.

It is not an unprimeable number, because it can be changed into a prime (1264172363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77024 + ... + 91983.

It is an arithmetic number, because the mean of its divisors is an integer number (51336180).

Almost surely, 2^1264172360 is an apocalyptic number.

1264172360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1264172360 is an abundant number, since it is smaller than the sum of its proper divisors (2021343160).

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

1264172360 is a wasteful number, since it uses less digits than its factorization.

1264172360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169046 (or 169042 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1264172360 is about 35555.2015885158. The cubic root of 1264172360 is about 1081.2731784266.

Adding to 1264172360 its reverse (632714621), we get a palindrome (1896886981).

The spelling of 1264172360 in words is "one billion, two hundred sixty-four million, one hundred seventy-two thousand, three hundred sixty".