1097559452 has 12 divisors (see below), whose sum is σ = 2095340856. Its totient is φ = 498890640.

The previous prime is 1097559439. The next prime is 1097559467. The reversal of 1097559452 is 2549557901.

It is a junction number, because it is equal to n+sod(n) for n = 1097559397 and 1097559406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12472223 + ... + 12472310.

It is an arithmetic number, because the mean of its divisors is an integer number (174611738).

Almost surely, 2^1097559452 is an apocalyptic number.

It is an amenable number.

1097559452 is a deficient number, since it is larger than the sum of its proper divisors (997781404).

1097559452 is a wasteful number, since it uses less digits than its factorization.

1097559452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24944548 (or 24944546 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 47.

The square root of 1097559452 is about 33129.4348276574. The cubic root of 1097559452 is about 1031.5161170726.

The spelling of 1097559452 in words is "one billion, ninety-seven million, five hundred fifty-nine thousand, four hundred fifty-two".