101889812 has 12 divisors (see below), whose sum is σ = 178668000. Its totient is φ = 50841816.

The previous prime is 101889803. The next prime is 101889841. The reversal of 101889812 is 218988101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23528 + ... + 27519.

It is an arithmetic number, because the mean of its divisors is an integer number (14889000).

Almost surely, 2^101889812 is an apocalyptic number.

It is an amenable number.

101889812 is a deficient number, since it is larger than the sum of its proper divisors (76778188).

101889812 is a wasteful number, since it uses less digits than its factorization.

101889812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51550 (or 51548 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 38.

The square root of 101889812 is about 10094.0483454360. The cubic root of 101889812 is about 467.0645656274.

The spelling of 101889812 in words is "one hundred one million, eight hundred eighty-nine thousand, eight hundred twelve".