1097049576 has 128 divisors (see below), whose sum is σ = 3426140160. Its totient is φ = 285465600.

The previous prime is 1097049563. The next prime is 1097049619. The reversal of 1097049576 is 6759407901.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82341 + ... + 94731.

It is an arithmetic number, because the mean of its divisors is an integer number (26766720).

Almost surely, 2^1097049576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097049576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1713070080).

1097049576 is an abundant number, since it is smaller than the sum of its proper divisors (2329090584).

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

1097049576 is a wasteful number, since it uses less digits than its factorization.

1097049576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12455 (or 12451 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 1097049576 is about 33121.7387224765. The cubic root of 1097049576 is about 1031.3563605707.

The spelling of 1097049576 in words is "one billion, ninety-seven million, forty-nine thousand, five hundred seventy-six".