1253870238 has 16 divisors (see below), whose sum is σ = 2527488000. Its totient is φ = 414665496.

The previous prime is 1253870213. The next prime is 1253870263. The reversal of 1253870238 is 8320783521.

It is an interprime number because it is at equal distance from previous prime (1253870213) and next prime (1253870263).

It is a junction number, because it is equal to n+sod(n) for n = 1253870196 and 1253870205.

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, 821988 + ... + 823511.

It is an arithmetic number, because the mean of its divisors is an integer number (157968000).

Almost surely, 2^1253870238 is an apocalyptic number.

1253870238 is an abundant number, since it is smaller than the sum of its proper divisors (1273617762).

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

1253870238 is a wasteful number, since it uses less digits than its factorization.

1253870238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645631.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 1253870238 is about 35410.0301891992. The cubic root of 1253870238 is about 1078.3279562495.

The spelling of 1253870238 in words is "one billion, two hundred fifty-three million, eight hundred seventy thousand, two hundred thirty-eight".