2105158 has 12 divisors (see below), whose sum is σ = 3471300. Its totient is φ = 956780.

The previous prime is 2105149. The next prime is 2105183. The reversal of 2105158 is 8515012.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4108 + ... + 4591.

It is an arithmetic number, because the mean of its divisors is an integer number (289275).

2^2105158 is an apocalyptic number.

2105158 is a deficient number, since it is larger than the sum of its proper divisors (1366142).

2105158 is a wasteful number, since it uses less digits than its factorization.

2105158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8723 (or 8712 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 2105158 is about 1450.9162622288. The cubic root of 2105158 is about 128.1626756543.

The spelling of 2105158 in words is "two million, one hundred five thousand, one hundred fifty-eight".