101080840 has 32 divisors (see below), whose sum is σ = 259922880. Its totient is φ = 34656192.

The previous prime is 101080807. The next prime is 101080841. The reversal of 101080840 is 48080101.

It is not an unprimeable number, because it can be changed into a prime (101080841) 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, 180222 + ... + 180781.

It is an arithmetic number, because the mean of its divisors is an integer number (8122590).

Almost surely, 2^101080840 is an apocalyptic number.

101080840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101080840 is an abundant number, since it is smaller than the sum of its proper divisors (158842040).

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

101080840 is a wasteful number, since it uses less digits than its factorization.

101080840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361021 (or 361017 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 101080840 is about 10053.8967569794. The cubic root of 101080840 is about 465.8251660447.

The spelling of 101080840 in words is "one hundred one million, eighty thousand, eight hundred forty".