1097469072 has 90 divisors (see below), whose sum is σ = 3572863398. Its totient is φ = 313560576.

The previous prime is 1097469067. The next prime is 1097469097. The reversal of 1097469072 is 2709647901.

It can be written as a sum of positive squares in only one way, i.e., 997549056 + 99920016 = 31584^2 + 9996^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 70713 + ... + 84824.

Almost surely, 2^1097469072 is an apocalyptic number.

1097469072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1097469072 is an abundant number, since it is smaller than the sum of its proper divisors (2475394326).

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

1097469072 is a wasteful number, since it uses less digits than its factorization.

1097469072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155565 (or 155549 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 1097469072 is about 33128.0707557805. The cubic root of 1097469072 is about 1031.4878024377.

The spelling of 1097469072 in words is "one billion, ninety-seven million, four hundred sixty-nine thousand, seventy-two".