1012251253 has 8 divisors (see below), whose sum is σ = 1103916800. Its totient is φ = 922557168.

The previous prime is 1012251223. The next prime is 1012251269. The reversal of 1012251253 is 3521522101.

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

It is not a de Polignac number, because 1012251253 - 2¹⁷ = 1012120181 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 (1012251223) 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, 491793 + ... + 493846.

It is an arithmetic number, because the mean of its divisors is an integer number (137989600).

Almost surely, 2^1012251253 is an apocalyptic number.

1012251253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1012251253 is a deficient number, since it is larger than the sum of its proper divisors (91665547).

1012251253 is an equidigital number, since it uses as much as digits as its factorization.

1012251253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985731.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1012251253 is about 31815.8962312866. The cubic root of 1012251253 is about 1004.0671865670.

Adding to 1012251253 its reverse (3521522101), we get a palindrome (4533773354).

The spelling of 1012251253 in words is "one billion, twelve million, two hundred fifty-one thousand, two hundred fifty-three".