1097025939 has 6 divisors (see below), whose sum is σ = 1584593036. Its totient is φ = 731350620.

The previous prime is 1097025931. The next prime is 1097025991. The reversal of 1097025939 is 9395207901.

It is a happy number.

It is not a de Polignac number, because 1097025939 - 2³ = 1097025931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1097025894 and 1097025903.

It is not an unprimeable number, because it can be changed into a prime (1097025931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60945877 + ... + 60945894.

Almost surely, 2^1097025939 is an apocalyptic number.

1097025939 is a deficient number, since it is larger than the sum of its proper divisors (487567097).

1097025939 is a wasteful number, since it uses less digits than its factorization.

1097025939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121891777 (or 121891774 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 1097025939 is about 33121.3819005186. The cubic root of 1097025939 is about 1031.3489533256.

The spelling of 1097025939 in words is "one billion, ninety-seven million, twenty-five thousand, nine hundred thirty-nine".