10972145 has 4 divisors (see below), whose sum is σ = 13166580. Its totient is φ = 8777712.

The previous prime is 10972141. The next prime is 10972153. The reversal of 10972145 is 54127901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54127901 = 23 ⋅2353387.

It can be written as a sum of positive squares in 2 ways, for example, as 2637376 + 8334769 = 1624^2 + 2887^2 .

It is a cyclic number.

It is not a de Polignac number, because 10972145 - 2² = 10972141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10972141) 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, 1097210 + ... + 1097219.

It is an arithmetic number, because the mean of its divisors is an integer number (3291645).

Almost surely, 2^10972145 is an apocalyptic number.

It is an amenable number.

10972145 is a deficient number, since it is larger than the sum of its proper divisors (2194435).

10972145 is an equidigital number, since it uses as much as digits as its factorization.

10972145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194434.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 10972145 is about 3312.4228292898. The cubic root of 10972145 is about 222.2101262398.

The spelling of 10972145 in words is "ten million, nine hundred seventy-two thousand, one hundred forty-five".