1012521052 has 12 divisors (see below), whose sum is σ = 1772464680. Its totient is φ = 506102576.

The previous prime is 1012521031. The next prime is 1012521053. The reversal of 1012521052 is 2501252101.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012521053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24427 + ... + 51202.

It is an arithmetic number, because the mean of its divisors is an integer number (147705390).

Almost surely, 2^1012521052 is an apocalyptic number.

It is an amenable number.

1012521052 is a deficient number, since it is larger than the sum of its proper divisors (759943628).

1012521052 is a wasteful number, since it uses less digits than its factorization.

1012521052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78980 (or 78978 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1012521052 is about 31820.1359519409. The cubic root of 1012521052 is about 1004.1563845330.

Adding to 1012521052 its reverse (2501252101), we get a palindrome (3513773153).

The spelling of 1012521052 in words is "one billion, twelve million, five hundred twenty-one thousand, fifty-two".