1301487040 has 84 divisors (see below), whose sum is σ = 3605195736. Its totient is φ = 446218752.

The previous prime is 1301487017. The next prime is 1301487053. The reversal of 1301487040 is 407841031.

It is a super-3 number, since 3×1301487040³ (a number of 28 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25822 + ... + 57181.

Almost surely, 2^1301487040 is an apocalyptic number.

1301487040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301487040 is an abundant number, since it is smaller than the sum of its proper divisors (2303708696).

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

1301487040 is an equidigital number, since it uses as much as digits as its factorization.

1301487040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83034 (or 83017 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1301487040 is about 36076.1283953808. The cubic root of 1301487040 is about 1091.8088642020.

The spelling of 1301487040 in words is "one billion, three hundred one million, four hundred eighty-seven thousand, forty".