1301930240 has 72 divisors (see below), whose sum is σ = 3358459608. Its totient is φ = 480706560.

The previous prime is 1301930233. The next prime is 1301930297. The reversal of 1301930240 is 420391031.

It can be written as a sum of positive squares in 4 ways, for example, as 243859456 + 1058070784 = 15616^2 + 32528^2 .

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, 22481 + ... + 55760.

Almost surely, 2^1301930240 is an apocalyptic number.

1301930240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301930240 is an abundant number, since it is smaller than the sum of its proper divisors (2056529368).

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

1301930240 is an equidigital number, since it uses as much as digits as its factorization.

1301930240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78275 (or 78261 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1301930240 is about 36082.2704385409. The cubic root of 1301930240 is about 1091.9327826525.

The spelling of 1301930240 in words is "one billion, three hundred one million, nine hundred thirty thousand, two hundred forty".