1597122 has 12 divisors (see below), whose sum is σ = 3460470. Its totient is φ = 532368.

The previous prime is 1597111. The next prime is 1597129. The reversal of 1597122 is 2217951.

It can be written as a sum of positive squares in only one way, i.e., 1535121 + 62001 = 1239^2 + 249^2 .

It is not an unprimeable number, because it can be changed into a prime (1597129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44347 + ... + 44382.

2^1597122 is an apocalyptic number.

1597122 is an abundant number, since it is smaller than the sum of its proper divisors (1863348).

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

1597122 is a wasteful number, since it uses less digits than its factorization.

1597122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88737 (or 88734 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 1597122 is about 1263.7729226408. The cubic root of 1597122 is about 116.8905397470.

The spelling of 1597122 in words is "one million, five hundred ninety-seven thousand, one hundred twenty-two".