2120266 has 4 divisors (see below), whose sum is σ = 3180402. Its totient is φ = 1060132.

The previous prime is 2120263. The next prime is 2120269. The reversal of 2120266 is 6620212.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2120263) and next prime (2120269).

It can be written as a sum of positive squares in only one way, i.e., 1766241 + 354025 = 1329^2 + 595^2 .

It is not an unprimeable number, because it can be changed into a prime (2120263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530065 + ... + 530068.

2^2120266 is an apocalyptic number.

2120266 is a deficient number, since it is larger than the sum of its proper divisors (1060136).

2120266 is a wasteful number, since it uses less digits than its factorization.

2120266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060135.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2120266 is about 1456.1133197660. The cubic root of 2120266 is about 128.4685383771.

Adding to 2120266 its reverse (6620212), we get a palindrome (8740478).

The spelling of 2120266 in words is "two million, one hundred twenty thousand, two hundred sixty-six".