2120190 has 32 divisors (see below), whose sum is σ = 5266080. Its totient is φ = 545664.

The previous prime is 2120171. The next prime is 2120203. The reversal of 2120190 is 910212.

It is a happy number.

It is a super-2 number, since 2×2120190² = 8990411272200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349 + ... + 2088.

It is an arithmetic number, because the mean of its divisors is an integer number (164565).

2^2120190 is an apocalyptic number.

2120190 is an abundant number, since it is smaller than the sum of its proper divisors (3145890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120190 is a wasteful number, since it uses less digits than its factorization.

2120190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476.

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

The square root of 2120190 is about 1456.0872226622. The cubic root of 2120190 is about 128.4670033927.

The spelling of 2120190 in words is "two million, one hundred twenty thousand, one hundred ninety".