1097902 has 8 divisors (see below), whose sum is σ = 1773576. Its totient is φ = 506712.

The previous prime is 1097897. The next prime is 1097903. The reversal of 1097902 is 2097901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21088 + ... + 21139.

It is an arithmetic number, because the mean of its divisors is an integer number (221697).

2^1097902 is an apocalyptic number.

1097902 is a deficient number, since it is larger than the sum of its proper divisors (675674).

1097902 is a wasteful number, since it uses less digits than its factorization.

1097902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42242.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1097902 is about 1047.8081885536. The cubic root of 1097902 is about 103.1623417875.

Subtracting 1097902 from its reverse (2097901), we obtain a palindrome (999999).

The spelling of 1097902 in words is "one million, ninety-seven thousand, nine hundred two".