121433660 has 12 divisors (see below), whose sum is σ = 255010728. Its totient is φ = 48573456.

The previous prime is 121433651. The next prime is 121433699. The reversal of 121433660 is 66334121.

It is a super-2 number, since 2×121433660² = 29492267561991200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3035822 + ... + 3035861.

It is an arithmetic number, because the mean of its divisors is an integer number (21250894).

Almost surely, 2^121433660 is an apocalyptic number.

121433660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121433660 is an abundant number, since it is smaller than the sum of its proper divisors (133577068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121433660 is a wasteful number, since it uses less digits than its factorization.

121433660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6071692 (or 6071690 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 121433660 is about 11019.6941881343. The cubic root of 121433660 is about 495.1989269501.

Adding to 121433660 its reverse (66334121), we get a palindrome (187767781).

The spelling of 121433660 in words is "one hundred twenty-one million, four hundred thirty-three thousand, six hundred sixty".