1012611552 has 24 divisors (see below), whose sum is σ = 2658105576. Its totient is φ = 337537152.

The previous prime is 1012611541. The next prime is 1012611581. The reversal of 1012611552 is 2551162101.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5273923 + ... + 5274114.

It is an arithmetic number, because the mean of its divisors is an integer number (110754399).

Almost surely, 2^1012611552 is an apocalyptic number.

1012611552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012611552 is an abundant number, since it is smaller than the sum of its proper divisors (1645494024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012611552 is a wasteful number, since it uses less digits than its factorization.

1012611552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10548050 (or 10548042 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 1012611552 is about 31821.5579756869. The cubic root of 1012611552 is about 1004.1863010947.

Adding to 1012611552 its reverse (2551162101), we get a palindrome (3563773653).

The spelling of 1012611552 in words is "one billion, twelve million, six hundred eleven thousand, five hundred fifty-two".