101479980 has 96 divisors (see below), whose sum is σ = 331430400. Its totient is φ = 23190720.

The previous prime is 101479967. The next prime is 101479991. The reversal of 101479980 is 89974101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18115 + ... + 23045.

It is an arithmetic number, because the mean of its divisors is an integer number (3452400).

Almost surely, 2^101479980 is an apocalyptic number.

101479980 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 101479980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165715200).

101479980 is an abundant number, since it is smaller than the sum of its proper divisors (229950420).

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

101479980 is a wasteful number, since it uses less digits than its factorization.

101479980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964 (or 4948 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 101479980 is about 10073.7272148892. The cubic root of 101479980 is about 466.4374985909.

The spelling of 101479980 in words is "one hundred one million, four hundred seventy-nine thousand, nine hundred eighty".