1597197124 has 12 divisors (see below), whose sum is σ = 2959512444. Its totient is φ = 751622144.

The previous prime is 1597197067. The next prime is 1597197143. The reversal of 1597197124 is 4217917951.

It can be written as a sum of positive squares in 2 ways, for example, as 1086889024 + 510308100 = 32968^2 + 22590^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11744029 + ... + 11744164.

It is an arithmetic number, because the mean of its divisors is an integer number (246626037).

Almost surely, 2^1597197124 is an apocalyptic number.

It is an amenable number.

1597197124 is a deficient number, since it is larger than the sum of its proper divisors (1362315320).

1597197124 is a wasteful number, since it uses less digits than its factorization.

1597197124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23488214 (or 23488212 counting only the distinct ones).

The product of its digits is 158760, while the sum is 46.

The square root of 1597197124 is about 39964.9486925731. The cubic root of 1597197124 is about 1168.9237244921.

The spelling of 1597197124 in words is "one billion, five hundred ninety-seven million, one hundred ninety-seven thousand, one hundred twenty-four".