2121675 has 12 divisors (see below), whose sum is σ = 3507960. Its totient is φ = 1131520.

The previous prime is 2121667. The next prime is 2121683. The reversal of 2121675 is 5761212.

It is an interprime number because it is at equal distance from previous prime (2121667) and next prime (2121683).

It is not a de Polignac number, because 2121675 - 2³ = 2121667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14070 + ... + 14219.

It is an arithmetic number, because the mean of its divisors is an integer number (292330).

2^2121675 is an apocalyptic number.

2121675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2121675 is a deficient number, since it is larger than the sum of its proper divisors (1386285).

2121675 is a wasteful number, since it uses less digits than its factorization.

2121675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28302 (or 28297 counting only the distinct ones).

The product of its digits is 840, while the sum is 24.

The square root of 2121675 is about 1456.5970616475. The cubic root of 2121675 is about 128.4969895382.

Adding to 2121675 its reverse (5761212), we get a palindrome (7882887).

The spelling of 2121675 in words is "two million, one hundred twenty-one thousand, six hundred seventy-five".