2102770 has 8 divisors (see below), whose sum is σ = 3785004. Its totient is φ = 841104.

The previous prime is 2102759. The next prime is 2102777. The reversal of 2102770 is 772012.

It can be written as a sum of positive squares in 2 ways, for example, as 2024929 + 77841 = 1423^2 + 279^2 .

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 (2102777) 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, 105129 + ... + 105148.

2^2102770 is an apocalyptic number.

2102770 is a deficient number, since it is larger than the sum of its proper divisors (1682234).

2102770 is a wasteful number, since it uses less digits than its factorization.

2102770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210284.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 2102770 is about 1450.0931004594. The cubic root of 2102770 is about 128.1141965906.

Adding to 2102770 its reverse (772012), we get a palindrome (2874782).

The spelling of 2102770 in words is "two million, one hundred two thousand, seven hundred seventy".