100082121 has 16 divisors (see below), whose sum is σ = 136079424. Its totient is φ = 65412864.

The previous prime is 100082093. The next prime is 100082123. The reversal of 100082121 is 121280001.

It is not a de Polignac number, because 100082121 - 2¹³ = 100073929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100082121.

It is not an unprimeable number, because it can be changed into a prime (100082123) 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, 45765 + ... + 47901.

It is an arithmetic number, because the mean of its divisors is an integer number (8504964).

Almost surely, 2^100082121 is an apocalyptic number.

It is an amenable number.

100082121 is a deficient number, since it is larger than the sum of its proper divisors (35997303).

100082121 is a wasteful number, since it uses less digits than its factorization.

100082121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 100082121 is about 10004.1052073636. The cubic root of 100082121 is about 464.2859059024.

The spelling of 100082121 in words is "one hundred million, eighty-two thousand, one hundred twenty-one".