1020112513 has 8 divisors (see below), whose sum is σ = 1194278400. Its totient is φ = 853055520.

The previous prime is 1020112507. The next prime is 1020112529. The reversal of 1020112513 is 3152110201.

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 1020112513 - 2⁵ = 1020112481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020113513) 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, 1776913 + ... + 1777486.

It is an arithmetic number, because the mean of its divisors is an integer number (149284800).

Almost surely, 2^1020112513 is an apocalyptic number.

It is an amenable number.

1020112513 is a deficient number, since it is larger than the sum of its proper divisors (174165887).

1020112513 is an equidigital number, since it uses as much as digits as its factorization.

1020112513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554447.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1020112513 is about 31939.2002561116. The cubic root of 1020112513 is about 1006.6597206636.

Adding to 1020112513 its reverse (3152110201), we get a palindrome (4172222714).

The spelling of 1020112513 in words is "one billion, twenty million, one hundred twelve thousand, five hundred thirteen".