1012553 has 8 divisors (see below), whose sum is σ = 1059840. Its totient is φ = 966240.

The previous prime is 1012549. The next prime is 1012559. The reversal of 1012553 is 3552101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012553 - 2² = 1012549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2576 + ... + 2942.

It is an arithmetic number, because the mean of its divisors is an integer number (132480).

2^1012553 is an apocalyptic number.

It is an amenable number.

1012553 is a deficient number, since it is larger than the sum of its proper divisors (47287).

1012553 is an equidigital number, since it uses as much as digits as its factorization.

1012553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1012553 is about 1006.2569254420. The cubic root of 1012553 is about 100.4166945779.

Adding to 1012553 its reverse (3552101), we get a palindrome (4564654).

The spelling of 1012553 in words is "one million, twelve thousand, five hundred fifty-three".