1253038000 has 40 divisors (see below), whose sum is σ = 3029850720. Its totient is φ = 501214400.

The previous prime is 1253037977. The next prime is 1253038009. The reversal of 1253038000 is 8303521.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1253038009) 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, 311260 + ... + 315259.

It is an arithmetic number, because the mean of its divisors is an integer number (75746268).

Almost surely, 2^1253038000 is an apocalyptic number.

1253038000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253038000 is an abundant number, since it is smaller than the sum of its proper divisors (1776812720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253038000 is an equidigital number, since it uses as much as digits as its factorization.

1253038000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626542 (or 626526 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1253038000 is about 35398.2767942170. The cubic root of 1253038000 is about 1078.0893286524.

The spelling of 1253038000 in words is "one billion, two hundred fifty-three million, thirty-eight thousand".