1597119148 has 24 divisors (see below), whose sum is σ = 2834151264. Its totient is φ = 787440000.

The previous prime is 1597119131. The next prime is 1597119169. The reversal of 1597119148 is 8419117951.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1597119098 and 1597119107.

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, 73098 + ... + 92398.

It is an arithmetic number, because the mean of its divisors is an integer number (118089636).

Almost surely, 2^1597119148 is an apocalyptic number.

It is an amenable number.

1597119148 is a deficient number, since it is larger than the sum of its proper divisors (1237032116).

1597119148 is a wasteful number, since it uses less digits than its factorization.

1597119148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19593 (or 19591 counting only the distinct ones).

The product of its digits is 90720, while the sum is 46.

The square root of 1597119148 is about 39963.9731258042. The cubic root of 1597119148 is about 1168.9047016931.

The spelling of 1597119148 in words is "one billion, five hundred ninety-seven million, one hundred nineteen thousand, one hundred forty-eight".