121624117 has 2 divisors, whose sum is σ = 121624118. Its totient is φ = 121624116.

The previous prime is 121624091. The next prime is 121624121. The reversal of 121624117 is 711426121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83010321 + 38613796 = 9111^2 + 6214^2 .

It is a cyclic number.

It is not a de Polignac number, because 121624117 - 2⁷ = 121623989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121624091 and 121624100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121624127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60812058 + 60812059.

It is an arithmetic number, because the mean of its divisors is an integer number (60812059).

Almost surely, 2^121624117 is an apocalyptic number.

It is an amenable number.

121624117 is a deficient number, since it is larger than the sum of its proper divisors (1).

121624117 is an equidigital number, since it uses as much as digits as its factorization.

121624117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 25.

The square root of 121624117 is about 11028.3324668782. The cubic root of 121624117 is about 495.4576823270.

The spelling of 121624117 in words is "one hundred twenty-one million, six hundred twenty-four thousand, one hundred seventeen".