2090121 has 8 divisors (see below), whose sum is σ = 3040224. Its totient is φ = 1266720.

The previous prime is 2090119. The next prime is 2090131. The reversal of 2090121 is 1210902.

It is a happy number.

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

It is not a de Polignac number, because 2090121 - 2¹ = 2090119 is a prime.

It is a Curzon number.

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 2090121.

It is not an unprimeable number, because it can be changed into a prime (2090111) 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, 31636 + ... + 31701.

It is an arithmetic number, because the mean of its divisors is an integer number (380028).

2^2090121 is an apocalyptic number.

It is an amenable number.

2090121 is a deficient number, since it is larger than the sum of its proper divisors (950103).

2090121 is a wasteful number, since it uses less digits than its factorization.

2090121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63351.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2090121 is about 1445.7250775995. The cubic root of 2090121 is about 127.8567937796.

It can be divided in two parts, 2090 and 121, that added together give a triangular number (2211 = T₆₆).

The spelling of 2090121 in words is "two million, ninety thousand, one hundred twenty-one".