11373121 has 2 divisors, whose sum is σ = 11373122. Its totient is φ = 11373120.

The previous prime is 11373083. The next prime is 11373151. The reversal of 11373121 is 12137311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11289600 + 83521 = 3360^2 + 289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11373121 is a prime.

It is not a weakly prime, because it can be changed into another prime (11373151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5686560 + 5686561.

It is an arithmetic number, because the mean of its divisors is an integer number (5686561).

Almost surely, 2^11373121 is an apocalyptic number.

It is an amenable number.

11373121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11373121 is an equidigital number, since it uses as much as digits as its factorization.

11373121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126, while the sum is 19.

The square root of 11373121 is about 3372.4058178102. The cubic root of 11373121 is about 224.8846882383.

The spelling of 11373121 in words is "eleven million, three hundred seventy-three thousand, one hundred twenty-one".