2120693 has 2 divisors, whose sum is σ = 2120694. Its totient is φ = 2120692.

The previous prime is 2120653. The next prime is 2120731. The reversal of 2120693 is 3960212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1868689 + 252004 = 1367^2 + 502^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120693 - 2¹⁰ = 2119669 is a prime.

It is a Chen prime.

It is equal to p₁₅₇₂₃₅ and since 2120693 and 157235 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060346 + 1060347.

It is an arithmetic number, because the mean of its divisors is an integer number (1060347).

2^2120693 is an apocalyptic number.

It is an amenable number.

2120693 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120693 is an equidigital number, since it uses as much as digits as its factorization.

2120693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2120693 is about 1456.2599355884. The cubic root of 2120693 is about 128.4771618837.

The spelling of 2120693 in words is "two million, one hundred twenty thousand, six hundred ninety-three".