1012510521 has 12 divisors (see below), whose sum is σ = 1595471280. Its totient is φ = 613642680.

The previous prime is 1012510507. The next prime is 1012510559. The reversal of 1012510521 is 1250152101.

1012510521 is a `hidden beast` number, since 10 + 125 + 10 + 521 = 666.

It is not a de Polignac number, because 1012510521 - 2⁵ = 1012510489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012510494 and 1012510503.

It is not an unprimeable number, because it can be changed into a prime (1012517521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5113591 + ... + 5113788.

It is an arithmetic number, because the mean of its divisors is an integer number (132955940).

Almost surely, 2^1012510521 is an apocalyptic number.

1012510521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012510521 is a deficient number, since it is larger than the sum of its proper divisors (582960759).

1012510521 is a wasteful number, since it uses less digits than its factorization.

1012510521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10227396 (or 10227393 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1012510521 is about 31819.9704745306. The cubic root of 1012510521 is about 1004.1529031873.

Adding to 1012510521 its reverse (1250152101), we get a palindrome (2262662622).

The spelling of 1012510521 in words is "one billion, twelve million, five hundred ten thousand, five hundred twenty-one".