1097209982 has 16 divisors (see below), whose sum is σ = 1804464000. Its totient is φ = 496223640.

The previous prime is 1097209921. The next prime is 1097210003. The reversal of 1097209982 is 2899027901.

It is a happy number.

It is a congruent number.

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, 120932 + ... + 129687.

It is an arithmetic number, because the mean of its divisors is an integer number (112779000).

Almost surely, 2^1097209982 is an apocalyptic number.

1097209982 is a deficient number, since it is larger than the sum of its proper divisors (707254018).

1097209982 is a wasteful number, since it uses less digits than its factorization.

1097209982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250831.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 1097209982 is about 33124.1600950122. The cubic root of 1097209982 is about 1031.4066249919.

The spelling of 1097209982 in words is "one billion, ninety-seven million, two hundred nine thousand, nine hundred eighty-two".