1305160970 has 16 divisors (see below), whose sum is σ = 2375687880. Its totient is φ = 516198144.

The previous prime is 1305160963. The next prime is 1305160993. The reversal of 1305160970 is 790615031.

It can be written as a sum of positive squares in 4 ways, for example, as 468852409 + 836308561 = 21653^2 + 28919^2 .

It is a super-2 number, since 2×1305160970² = 3406890315222681800, which contains 22 as substring.

It is a Curzon 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, 732347 + ... + 734126.

Almost surely, 2^1305160970 is an apocalyptic number.

1305160970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1305160970 is a deficient number, since it is larger than the sum of its proper divisors (1070526910).

1305160970 is a wasteful number, since it uses less digits than its factorization.

1305160970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466569.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 1305160970 is about 36127.0116394921. The cubic root of 1305160970 is about 1092.8352442148.

The spelling of 1305160970 in words is "one billion, three hundred five million, one hundred sixty thousand, nine hundred seventy".