2972105 has 4 divisors (see below), whose sum is σ = 3566532. Its totient is φ = 2377680.

The previous prime is 2972071. The next prime is 2972107. The reversal of 2972105 is 5012792.

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 2253001 + 719104 = 1501^2 + 848^2 .

It is not a de Polignac number, because 2972105 - 2⁶ = 2972041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2972107) 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, 297206 + ... + 297215.

It is an arithmetic number, because the mean of its divisors is an integer number (891633).

2^2972105 is an apocalyptic number.

It is an amenable number.

2972105 is a deficient number, since it is larger than the sum of its proper divisors (594427).

2972105 is an equidigital number, since it uses as much as digits as its factorization.

2972105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594426.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2972105 is about 1723.9794082297. The cubic root of 2972105 is about 143.7765470820.

Adding to 2972105 its reverse (5012792), we get a palindrome (7984897).

The spelling of 2972105 in words is "two million, nine hundred seventy-two thousand, one hundred five".