1205148238 has 48 divisors (see below), whose sum is σ = 2200794624. Its totient is φ = 492972480.

The previous prime is 1205148223. The next prime is 1205148247. The reversal of 1205148238 is 8328415021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189043 + ... + 195313.

It is an arithmetic number, because the mean of its divisors is an integer number (45849888).

Almost surely, 2^1205148238 is an apocalyptic number.

1205148238 is a deficient number, since it is larger than the sum of its proper divisors (995646386).

1205148238 is a wasteful number, since it uses less digits than its factorization.

1205148238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6377 (or 6370 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 1205148238 is about 34715.2450373031. The cubic root of 1205148238 is about 1064.1760731236.

The spelling of 1205148238 in words is "one billion, two hundred five million, one hundred forty-eight thousand, two hundred thirty-eight".