109056249 has 15 divisors (see below), whose sum is σ = 160241653. Its totient is φ = 71471892.

The previous prime is 109056223. The next prime is 109056251. The reversal of 109056249 is 942650901.

The square root of 109056249 is 10443.

It is a perfect power (a square), and thus also a powerful number.

109056249 is a `hidden beast` number, since 1 + 0 + 90 + 562 + 4 + 9 = 666.

It is not a de Polignac number, because 109056249 - 2¹⁷ = 108925177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109056209) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1848382 + ... + 1848440.

Almost surely, 2^109056249 is an apocalyptic number.

109056249 is the 10443-rd square number.

109056249 is the 5222-nd centered octagonal number.

It is an amenable number.

109056249 is a deficient number, since it is larger than the sum of its proper divisors (51185404).

109056249 is an frugal number, since it uses more digits than its factorization.

109056249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The cubic root of 109056249 is about 477.7677732036.

Multiplying 109056249 by its sum of digits (36), we get a square (3926024964 = 62658²).

The spelling of 109056249 in words is "one hundred nine million, fifty-six thousand, two hundred forty-nine".