2190129 has 8 divisors (see below), whose sum is σ = 3047232. Its totient is φ = 1396560.

The previous prime is 2190107. The next prime is 2190131. The reversal of 2190129 is 9210912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2190129 - 2¹³ = 2181937 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2190099 and 2190108.

It is not an unprimeable number, because it can be changed into a prime (2190169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15802 + ... + 15939.

It is an arithmetic number, because the mean of its divisors is an integer number (380904).

2^2190129 is an apocalyptic number.

It is an amenable number.

2190129 is a deficient number, since it is larger than the sum of its proper divisors (857103).

2190129 is a wasteful number, since it uses less digits than its factorization.

2190129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31767.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 2190129 is about 1479.9084431140. The cubic root of 2190129 is about 129.8643357916.

The spelling of 2190129 in words is "two million, one hundred ninety thousand, one hundred twenty-nine".