2121097 has 8 divisors (see below), whose sum is σ = 2331072. Its totient is φ = 1914000.

The previous prime is 2121043. The next prime is 2121121. The reversal of 2121097 is 7901212.

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

It is not a de Polignac number, because 2121097 - 2¹⁵ = 2088329 is a prime.

It is a Duffinian number.

2121097 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2121017) 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, 1023 + ... + 2299.

It is an arithmetic number, because the mean of its divisors is an integer number (291384).

2^2121097 is an apocalyptic number.

It is an amenable number.

2121097 is a deficient number, since it is larger than the sum of its proper divisors (209975).

2121097 is a wasteful number, since it uses less digits than its factorization.

2121097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 2121097 is about 1456.3986404827. The cubic root of 2121097 is about 128.4853198267.

The spelling of 2121097 in words is "two million, one hundred twenty-one thousand, ninety-seven".