2121927 has 8 divisors (see below), whose sum is σ = 2836080. Its totient is φ = 1411200.

The previous prime is 2121907. The next prime is 2121941. The reversal of 2121927 is 7291212.

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

It is not a de Polignac number, because 2121927 - 2¹¹ = 2119879 is a prime.

2121927 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2121897 and 2121906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121907) 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, 1599 + ... + 2607.

It is an arithmetic number, because the mean of its divisors is an integer number (354510).

2^2121927 is an apocalyptic number.

2121927 is a deficient number, since it is larger than the sum of its proper divisors (714153).

2121927 is a wasteful number, since it uses less digits than its factorization.

2121927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713.

The product of its digits is 504, while the sum is 24.

The square root of 2121927 is about 1456.6835620683. The cubic root of 2121927 is about 128.5020767074.

The spelling of 2121927 in words is "two million, one hundred twenty-one thousand, nine hundred twenty-seven".