100834981 has 16 divisors (see below), whose sum is σ = 111259008. Its totient is φ = 90820800.

The previous prime is 100834963. The next prime is 100834997. The reversal of 100834981 is 189438001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100834981 - 2⁹ = 100834469 is a prime.

It is a super-2 number, since 2×100834981² = 20335386786540722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100844981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98251 + ... + 99271.

It is an arithmetic number, because the mean of its divisors is an integer number (6953688).

Almost surely, 2^100834981 is an apocalyptic number.

It is an amenable number.

100834981 is a deficient number, since it is larger than the sum of its proper divisors (10424027).

100834981 is a wasteful number, since it uses less digits than its factorization.

100834981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 100834981 is about 10041.6622627929. The cubic root of 100834981 is about 465.4471837943.

The spelling of 100834981 in words is "one hundred million, eight hundred thirty-four thousand, nine hundred eighty-one".