1012625204 has 12 divisors (see below), whose sum is σ = 1772981700. Its totient is φ = 506059008.

The previous prime is 1012625171. The next prime is 1012625221. The reversal of 1012625204 is 4025262101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 882208804 + 130416400 = 29702^2 + 11420^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1012625204.

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, 54269 + ... + 70500.

It is an arithmetic number, because the mean of its divisors is an integer number (147748475).

Almost surely, 2^1012625204 is an apocalyptic number.

It is an amenable number.

1012625204 is a deficient number, since it is larger than the sum of its proper divisors (760356496).

1012625204 is a wasteful number, since it uses less digits than its factorization.

1012625204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126802 (or 126800 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1012625204 is about 31821.7724836314. The cubic root of 1012625204 is about 1004.1908138781.

Adding to 1012625204 its reverse (4025262101), we get a palindrome (5037887305).

The spelling of 1012625204 in words is "one billion, twelve million, six hundred twenty-five thousand, two hundred four".