121009183 has 2 divisors, whose sum is σ = 121009184. Its totient is φ = 121009182.

The previous prime is 121009153. The next prime is 121009201. The reversal of 121009183 is 381900121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121009183 - 2¹⁷ = 120878111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121009153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60504591 + 60504592.

It is an arithmetic number, because the mean of its divisors is an integer number (60504592).

Almost surely, 2^121009183 is an apocalyptic number.

121009183 is a deficient number, since it is larger than the sum of its proper divisors (1).

121009183 is an equidigital number, since it uses as much as digits as its factorization.

121009183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 121009183 is about 11000.4174011716. The cubic root of 121009183 is about 494.6212563833.

The spelling of 121009183 in words is "one hundred twenty-one million, nine thousand, one hundred eighty-three".