2130970 has 8 divisors (see below), whose sum is σ = 3835764. Its totient is φ = 852384.

The previous prime is 2130959. The next prime is 2130979. The reversal of 2130970 is 790312.

It can be written as a sum of positive squares in 2 ways, for example, as 1979649 + 151321 = 1407^2 + 389^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2130979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106539 + ... + 106558.

2^2130970 is an apocalyptic number.

2130970 is a deficient number, since it is larger than the sum of its proper divisors (1704794).

2130970 is a wasteful number, since it uses less digits than its factorization.

2130970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213104.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 2130970 is about 1459.7842306314. The cubic root of 2130970 is about 128.6843634400.

It can be divided in two parts, 21 and 30970, that multiplied together give a triangular number (650370 = T₁₁₄₀).

The spelling of 2130970 in words is "two million, one hundred thirty thousand, nine hundred seventy".