121285033 has 2 divisors, whose sum is σ = 121285034. Its totient is φ = 121285032.

The previous prime is 121284979. The next prime is 121285067. The reversal of 121285033 is 330582121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121066009 + 219024 = 11003^2 + 468^2 .

It is a cyclic number.

It is not a de Polignac number, because 121285033 - 2⁹ = 121284521 is a prime.

It is a super-2 number, since 2×121285033² = 29420118459622178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121284989 and 121285007.

It is not a weakly prime, because it can be changed into another prime (121282033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60642516 + 60642517.

It is an arithmetic number, because the mean of its divisors is an integer number (60642517).

Almost surely, 2^121285033 is an apocalyptic number.

It is an amenable number.

121285033 is a deficient number, since it is larger than the sum of its proper divisors (1).

121285033 is an equidigital number, since it uses as much as digits as its factorization.

121285033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 121285033 is about 11012.9484244684. The cubic root of 121285033 is about 494.9968139100.

It can be divided in two parts, 12128 and 5033, that added together give a square (17161 = 131²).

The spelling of 121285033 in words is "one hundred twenty-one million, two hundred eighty-five thousand, thirty-three".