109451292 has 12 divisors (see below), whose sum is σ = 255386376. Its totient is φ = 36483760.

The previous prime is 109451281. The next prime is 109451317. The reversal of 109451292 is 292154901.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

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, 4560459 + ... + 4560482.

It is an arithmetic number, because the mean of its divisors is an integer number (21282198).

Almost surely, 2^109451292 is an apocalyptic number.

109451292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109451292 is an abundant number, since it is smaller than the sum of its proper divisors (145935084).

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

109451292 is a wasteful number, since it uses less digits than its factorization.

109451292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9120948 (or 9120946 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 109451292 is about 10461.8971510907. The cubic root of 109451292 is about 478.3439632560.

The spelling of 109451292 in words is "one hundred nine million, four hundred fifty-one thousand, two hundred ninety-two".