1198270238 has 32 divisors (see below), whose sum is σ = 2048958720. Its totient is φ = 520248960.

The previous prime is 1198270219. The next prime is 1198270247. The reversal of 1198270238 is 8320728911.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1198270195 and 1198270204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509381 + ... + 511727.

It is an arithmetic number, because the mean of its divisors is an integer number (64029960).

Almost surely, 2^1198270238 is an apocalyptic number.

1198270238 is a deficient number, since it is larger than the sum of its proper divisors (850688482).

1198270238 is a wasteful number, since it uses less digits than its factorization.

1198270238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1198270238 is about 34616.0401837067. The cubic root of 1198270238 is about 1062.1477274243.

The spelling of 1198270238 in words is "one billion, one hundred ninety-eight million, two hundred seventy thousand, two hundred thirty-eight".