2107045 has 4 divisors (see below), whose sum is σ = 2528460. Its totient is φ = 1685632.

The previous prime is 2107037. The next prime is 2107051. The reversal of 2107045 is 5407012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 586756 + 1520289 = 766^2 + 1233^2 .

It is a cyclic number.

It is not a de Polignac number, because 2107045 - 2³ = 2107037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210700 + ... + 210709.

It is an arithmetic number, because the mean of its divisors is an integer number (632115).

2^2107045 is an apocalyptic number.

It is an amenable number.

2107045 is a deficient number, since it is larger than the sum of its proper divisors (421415).

2107045 is an equidigital number, since it uses as much as digits as its factorization.

2107045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421414.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2107045 is about 1451.5663953123. The cubic root of 2107045 is about 128.2009579344.

It can be divided in two parts, 21070 and 45, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 2107045 in words is "two million, one hundred seven thousand, forty-five".