1109642132 has 24 divisors (see below), whose sum is σ = 1982002176. Its totient is φ = 543392928.

The previous prime is 1109642101. The next prime is 1109642201. The reversal of 1109642132 is 2312469011.

It is a super-2 number, since 2×1109642132² = 2462611322219010848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1109642095 and 1109642104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124373 + ... + 132995.

It is an arithmetic number, because the mean of its divisors is an integer number (82583424).

Almost surely, 2^1109642132 is an apocalyptic number.

It is an amenable number.

1109642132 is a deficient number, since it is larger than the sum of its proper divisors (872360044).

1109642132 is a wasteful number, since it uses less digits than its factorization.

1109642132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9287 (or 9285 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1109642132 is about 33311.2913589371. The cubic root of 1109642132 is about 1035.2875213861.

The spelling of 1109642132 in words is "one billion, one hundred nine million, six hundred forty-two thousand, one hundred thirty-two".