1012625 has 8 divisors (see below), whose sum is σ = 1263912. Its totient is φ = 810000.

The previous prime is 1012619. The next prime is 1012631. The reversal of 1012625 is 5262101.

It is an interprime number because it is at equal distance from previous prime (1012619) and next prime (1012631).

It can be written as a sum of positive squares in 4 ways, for example, as 28561 + 984064 = 169^2 + 992^2 .

It is not a de Polignac number, because 1012625 - 2⁸ = 1012369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3926 + ... + 4175.

It is an arithmetic number, because the mean of its divisors is an integer number (157989).

2^1012625 is an apocalyptic number.

It is an amenable number.

1012625 is a deficient number, since it is larger than the sum of its proper divisors (251287).

1012625 is an frugal number, since it uses more digits than its factorization.

1012625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8116 (or 8106 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1012625 is about 1006.2927009573. The cubic root of 1012625 is about 100.4190746444.

Adding to 1012625 its reverse (5262101), we get a palindrome (6274726).

The spelling of 1012625 in words is "one million, twelve thousand, six hundred twenty-five".