109124380 has 24 divisors (see below), whose sum is σ = 231390432. Its totient is φ = 43225152.

The previous prime is 109124363. The next prime is 109124387. The reversal of 109124380 is 83421901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109124387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24427 + ... + 28546.

It is an arithmetic number, because the mean of its divisors is an integer number (9641268).

Almost surely, 2^109124380 is an apocalyptic number.

109124380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109124380 is an abundant number, since it is smaller than the sum of its proper divisors (122266052).

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

109124380 is a wasteful number, since it uses less digits than its factorization.

109124380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53085 (or 53083 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 109124380 is about 10446.2615322420. The cubic root of 109124380 is about 477.8672448685.

The spelling of 109124380 in words is "one hundred nine million, one hundred twenty-four thousand, three hundred eighty".