121866233 has 8 divisors (see below), whose sum is σ = 123991200. Its totient is φ = 119750400.

The previous prime is 121866203. The next prime is 121866281. The reversal of 121866233 is 332668121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121866233 - 2⁸ = 121865977 is a prime.

It is a super-2 number, since 2×121866233² = 29702757491220578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121866233.

It is not an unprimeable number, because it can be changed into a prime (121866203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28058 + ... + 32108.

It is an arithmetic number, because the mean of its divisors is an integer number (15498900).

Almost surely, 2^121866233 is an apocalyptic number.

It is an amenable number.

121866233 is a deficient number, since it is larger than the sum of its proper divisors (2124967).

121866233 is an equidigital number, since it uses as much as digits as its factorization.

121866233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4567.

The product of its digits is 10368, while the sum is 32.

The square root of 121866233 is about 11039.3040088585. The cubic root of 121866233 is about 495.7862320785.

The spelling of 121866233 in words is "one hundred twenty-one million, eight hundred sixty-six thousand, two hundred thirty-three".