1109252530 has 16 divisors (see below), whose sum is σ = 1997132760. Its totient is φ = 443594752.

The previous prime is 1109252519. The next prime is 1109252537. The reversal of 1109252530 is 352529011.

It can be written as a sum of positive squares in 4 ways, for example, as 785288529 + 323964001 = 28023^2 + 17999^2 .

It is a super-2 number, since 2×1109252530² = 2460882350622801800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1109252537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41202 + ... + 62578.

Almost surely, 2^1109252530 is an apocalyptic number.

1109252530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1109252530 is a deficient number, since it is larger than the sum of its proper divisors (887880230).

1109252530 is a wasteful number, since it uses less digits than its factorization.

1109252530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26573.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 1109252530 is about 33305.4429485632. The cubic root of 1109252530 is about 1035.1663419858.

The spelling of 1109252530 in words is "one billion, one hundred nine million, two hundred fifty-two thousand, five hundred thirty".