100122133 has 4 divisors (see below), whose sum is σ = 100314828. Its totient is φ = 99929440.

The previous prime is 100122089. The next prime is 100122179. The reversal of 100122133 is 331221001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19158129 + 80964004 = 4377^2 + 8998^2 .

It is a cyclic number.

It is not a de Polignac number, because 100122133 - 2¹³ = 100113941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95566 + ... + 96607.

It is an arithmetic number, because the mean of its divisors is an integer number (25078707).

Almost surely, 2^100122133 is an apocalyptic number.

It is an amenable number.

100122133 is a deficient number, since it is larger than the sum of its proper divisors (192695).

100122133 is an equidigital number, since it uses as much as digits as its factorization.

100122133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192694.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 100122133 is about 10006.1047865790. The cubic root of 100122133 is about 464.3477702074.

Adding to 100122133 its reverse (331221001), we get a palindrome (431343134).

The spelling of 100122133 in words is "one hundred million, one hundred twenty-two thousand, one hundred thirty-three".