101357980 has 12 divisors (see below), whose sum is σ = 212851800. Its totient is φ = 40543184.

The previous prime is 101357909. The next prime is 101357981. The reversal of 101357980 is 89753101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101357981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2533930 + ... + 2533969.

It is an arithmetic number, because the mean of its divisors is an integer number (17737650).

Almost surely, 2^101357980 is an apocalyptic number.

101357980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101357980 is an abundant number, since it is smaller than the sum of its proper divisors (111493820).

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

101357980 is a wasteful number, since it uses less digits than its factorization.

101357980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067908 (or 5067906 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 101357980 is about 10067.6700382959. The cubic root of 101357980 is about 466.2505054057.

The spelling of 101357980 in words is "one hundred one million, three hundred fifty-seven thousand, nine hundred eighty".