1305074972 has 24 divisors (see below), whose sum is σ = 2420046720. Its totient is φ = 613690880.

The previous prime is 1305074963. The next prime is 1305074999. The reversal of 1305074972 is 2794705031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94229 + ... + 107187.

It is an arithmetic number, because the mean of its divisors is an integer number (100835280).

Almost surely, 2^1305074972 is an apocalyptic number.

It is an amenable number.

1305074972 is a deficient number, since it is larger than the sum of its proper divisors (1114971748).

1305074972 is a wasteful number, since it uses less digits than its factorization.

1305074972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14461 (or 14459 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 1305074972 is about 36125.8214024263. The cubic root of 1305074972 is about 1092.8112411194.

The spelling of 1305074972 in words is "one billion, three hundred five million, seventy-four thousand, nine hundred seventy-two".