121655033 has 2 divisors, whose sum is σ = 121655034. Its totient is φ = 121655032.

The previous prime is 121654999. The next prime is 121655059. The reversal of 121655033 is 330556121.

It is an a-pointer prime, because the next prime (121655059) can be obtained adding 121655033 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115519504 + 6135529 = 10748^2 + 2477^2 .

It is a cyclic number.

It is not a de Polignac number, because 121655033 - 2⁶ = 121654969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121654993 and 121655011.

It is not a weakly prime, because it can be changed into another prime (121655333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60827516 + 60827517.

It is an arithmetic number, because the mean of its divisors is an integer number (60827517).

Almost surely, 2^121655033 is an apocalyptic number.

It is an amenable number.

121655033 is a deficient number, since it is larger than the sum of its proper divisors (1).

121655033 is an equidigital number, since it uses as much as digits as its factorization.

121655033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 121655033 is about 11029.7340403112. The cubic root of 121655033 is about 495.4996593965.

The spelling of 121655033 in words is "one hundred twenty-one million, six hundred fifty-five thousand, thirty-three".