121117133 has 2 divisors, whose sum is σ = 121117134. Its totient is φ = 121117132.

The previous prime is 121117123. The next prime is 121117177. The reversal of 121117133 is 331711121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106956964 + 14160169 = 10342^2 + 3763^2 .

It is a cyclic number.

It is not a de Polignac number, because 121117133 - 2²² = 116922829 is a prime.

It is a super-2 number, since 2×121117133² = 29338719812279378, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121117123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60558566 + 60558567.

It is an arithmetic number, because the mean of its divisors is an integer number (60558567).

Almost surely, 2^121117133 is an apocalyptic number.

It is an amenable number.

121117133 is a deficient number, since it is larger than the sum of its proper divisors (1).

121117133 is an equidigital number, since it uses as much as digits as its factorization.

121117133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126, while the sum is 20.

The square root of 121117133 is about 11005.3229393780. The cubic root of 121117133 is about 494.7682934202.

Adding to 121117133 its reverse (331711121), we get a palindrome (452828254).

The spelling of 121117133 in words is "one hundred twenty-one million, one hundred seventeen thousand, one hundred thirty-three".