1012150521 has 12 divisors (see below), whose sum is σ = 1467276772. Its totient is φ = 672329376.

The previous prime is 1012150519. The next prime is 1012150523. The reversal of 1012150521 is 1250512101.

1012150521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1012150519) and next prime (1012150523).

It can be written as a sum of positive squares in 2 ways, for example, as 293642496 + 718508025 = 17136^2 + 26805^2 .

It is not a de Polignac number, because 1012150521 - 2¹ = 1012150519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012150494 and 1012150503.

It is not an unprimeable number, because it can be changed into a prime (1012150523) 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, 200506 + ... + 205491.

Almost surely, 2^1012150521 is an apocalyptic number.

It is an amenable number.

1012150521 is a deficient number, since it is larger than the sum of its proper divisors (455126251).

1012150521 is a wasteful number, since it uses less digits than its factorization.

1012150521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406280 (or 406277 counting only the distinct ones).

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

The square root of 1012150521 is about 31814.3131467583. The cubic root of 1012150521 is about 1004.0338796020.

Adding to 1012150521 its reverse (1250512101), we get a palindrome (2262662622).

The spelling of 1012150521 in words is "one billion, twelve million, one hundred fifty thousand, five hundred twenty-one".