107978420 has 48 divisors (see below), whose sum is σ = 253423296. Its totient is φ = 38304000.

The previous prime is 107978417. The next prime is 107978447. The reversal of 107978420 is 24879701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3035 + ... + 15005.

It is an arithmetic number, because the mean of its divisors is an integer number (5279652).

Almost surely, 2^107978420 is an apocalyptic number.

107978420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 107978420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126711648).

107978420 is an abundant number, since it is smaller than the sum of its proper divisors (145444876).

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

107978420 is a wasteful number, since it uses less digits than its factorization.

107978420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12032 (or 12030 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 107978420 is about 10391.2665253086. The cubic root of 107978420 is about 476.1885948529.

The spelling of 107978420 in words is "one hundred seven million, nine hundred seventy-eight thousand, four hundred twenty".