7122953 has 2 divisors, whose sum is σ = 7122954. Its totient is φ = 7122952.

The previous prime is 7122887. The next prime is 7122961. The reversal of 7122953 is 3592217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5555449 + 1567504 = 2357^2 + 1252^2 .

It is an emirp because it is prime and its reverse (3592217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7122953 - 2⁸ = 7122697 is a prime.

It is not a weakly prime, because it can be changed into another prime (7122053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3561476 + 3561477.

It is an arithmetic number, because the mean of its divisors is an integer number (3561477).

Almost surely, 2^7122953 is an apocalyptic number.

It is an amenable number.

7122953 is a deficient number, since it is larger than the sum of its proper divisors (1).

7122953 is an equidigital number, since it uses as much as digits as its factorization.

7122953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 29.

The square root of 7122953 is about 2668.8860972323. The cubic root of 7122953 is about 192.4066270051.

The spelling of 7122953 in words is "seven million, one hundred twenty-two thousand, nine hundred fifty-three".