101159900 has 18 divisors (see below), whose sum is σ = 219517200. Its totient is φ = 40463920.

The previous prime is 101159897. The next prime is 101159909. The reversal of 101159900 is 9951101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 101159900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101159909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505700 + ... + 505899.

It is an arithmetic number, because the mean of its divisors is an integer number (12195400).

Almost surely, 2^101159900 is an apocalyptic number.

101159900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101159900 is an abundant number, since it is smaller than the sum of its proper divisors (118357300).

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

101159900 is a wasteful number, since it uses less digits than its factorization.

101159900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011613 (or 1011606 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 26.

The square root of 101159900 is about 10057.8277972930. The cubic root of 101159900 is about 465.9465821975.

The spelling of 101159900 in words is "one hundred one million, one hundred fifty-nine thousand, nine hundred".