1012653 has 12 divisors (see below), whose sum is σ = 1502748. Its totient is φ = 656640.

The previous prime is 1012637. The next prime is 1012657. The reversal of 1012653 is 3562101.

1012653 is a `hidden beast` number, since 1 + 0 + 12 + 653 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 956484 + 56169 = 978^2 + 237^2 .

It is not a de Polignac number, because 1012653 - 2⁴ = 1012637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012657) 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, 1188 + ... + 1853.

It is an arithmetic number, because the mean of its divisors is an integer number (125229).

2^1012653 is an apocalyptic number.

It is an amenable number.

1012653 is a deficient number, since it is larger than the sum of its proper divisors (490095).

1012653 is a wasteful number, since it uses less digits than its factorization.

1012653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084 (or 3081 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1012653 is about 1006.3066133143. The cubic root of 1012653 is about 100.4200001954.

Adding to 1012653 its reverse (3562101), we get a palindrome (4574754).

The spelling of 1012653 in words is "one million, twelve thousand, six hundred fifty-three".