1300561928 has 16 divisors (see below), whose sum is σ = 2440962000. Its totient is φ = 649638736.

The previous prime is 1300561919. The next prime is 1300561939. The reversal of 1300561928 is 8291650031.

It is a super-2 number, since 2×1300561928² = 3382922657126154368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71618 + ... + 87921.

It is an arithmetic number, because the mean of its divisors is an integer number (152560125).

Almost surely, 2^1300561928 is an apocalyptic number.

It is an amenable number.

1300561928 is a deficient number, since it is larger than the sum of its proper divisors (1140400072).

1300561928 is a wasteful number, since it uses less digits than its factorization.

1300561928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160564 (or 160560 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1300561928 is about 36063.3044520327. The cubic root of 1300561928 is about 1091.5501127731.

It can be divided in two parts, 130056192 and 8, that multiplied together give a square (1040449536 = 32256²).

The spelling of 1300561928 in words is "one billion, three hundred million, five hundred sixty-one thousand, nine hundred twenty-eight".