1301990568 has 32 divisors (see below), whose sum is σ = 3264324000. Its totient is φ = 432750528.

The previous prime is 1301990567. The next prime is 1301990581. The reversal of 1301990568 is 8650991031.

It is not an unprimeable number, because it can be changed into a prime (1301990567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69346 + ... + 86097.

It is an arithmetic number, because the mean of its divisors is an integer number (102010125).

Almost surely, 2^1301990568 is an apocalyptic number.

It is an amenable number.

1301990568 is an abundant number, since it is smaller than the sum of its proper divisors (1962333432).

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

1301990568 is a wasteful number, since it uses less digits than its factorization.

1301990568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155801 (or 155797 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 1301990568 is about 36083.1064072926. The cubic root of 1301990568 is about 1091.9496481500.

The spelling of 1301990568 in words is "one billion, three hundred one million, nine hundred ninety thousand, five hundred sixty-eight".