1080312521 has 8 divisors (see below), whose sum is σ = 1141096704. Its totient is φ = 1021149360.

The previous prime is 1080312509. The next prime is 1080312547. The reversal of 1080312521 is 1252130801.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1080312521 - 2²⁶ = 1013203657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080312721) 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, 403886 + ... + 406551.

It is an arithmetic number, because the mean of its divisors is an integer number (142637088).

Almost surely, 2^1080312521 is an apocalyptic number.

It is an amenable number.

1080312521 is a deficient number, since it is larger than the sum of its proper divisors (60784183).

1080312521 is an equidigital number, since it uses as much as digits as its factorization.

1080312521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810511.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1080312521 is about 32868.1079619743. The cubic root of 1080312521 is about 1026.0845220531.

The spelling of 1080312521 in words is "one billion, eighty million, three hundred twelve thousand, five hundred twenty-one".