10939121 has 2 divisors, whose sum is σ = 10939122. Its totient is φ = 10939120.

The previous prime is 10939091. The next prime is 10939127. The reversal of 10939121 is 12193901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9859600 + 1079521 = 3140^2 + 1039^2 .

It is a cyclic number.

It is not a de Polignac number, because 10939121 - 2⁶ = 10939057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10939127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5469560 + 5469561.

It is an arithmetic number, because the mean of its divisors is an integer number (5469561).

Almost surely, 2^10939121 is an apocalyptic number.

It is an amenable number.

10939121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10939121 is an equidigital number, since it uses as much as digits as its factorization.

10939121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 10939121 is about 3307.4342019154. The cubic root of 10939121 is about 221.9869659312.

The spelling of 10939121 in words is "ten million, nine hundred thirty-nine thousand, one hundred twenty-one".