1295181672 has 32 divisors (see below), whose sum is σ = 3313258080. Its totient is φ = 421686720.

The previous prime is 1295181649. The next prime is 1295181689. The reversal of 1295181672 is 2761815921.

1295181672 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 626479 + ... + 628542.

It is an arithmetic number, because the mean of its divisors is an integer number (103539315).

Almost surely, 2^1295181672 is an apocalyptic number.

1295181672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1295181672 is an abundant number, since it is smaller than the sum of its proper divisors (2018076408).

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

1295181672 is a wasteful number, since it uses less digits than its factorization.

1295181672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255073 (or 1255069 counting only the distinct ones).

The product of its digits is 60480, while the sum is 42.

The square root of 1295181672 is about 35988.6325386225. The cubic root of 1295181672 is about 1090.0428319729.

The spelling of 1295181672 in words is "one billion, two hundred ninety-five million, one hundred eighty-one thousand, six hundred seventy-two".