121233770 has 32 divisors (see below), whose sum is σ = 255201408. Its totient is φ = 40598208.

The previous prime is 121233751. The next prime is 121233787. The reversal of 121233770 is 77332121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17129 + ... + 23148.

It is an arithmetic number, because the mean of its divisors is an integer number (7975044).

Almost surely, 2^121233770 is an apocalyptic number.

121233770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121233770 is an abundant number, since it is smaller than the sum of its proper divisors (133967638).

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

121233770 is a wasteful number, since it uses less digits than its factorization.

121233770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40334.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 121233770 is about 11010.6207817725. The cubic root of 121233770 is about 494.9270647224.

Adding to 121233770 its reverse (77332121), we get a palindrome (198565891).

The spelling of 121233770 in words is "one hundred twenty-one million, two hundred thirty-three thousand, seven hundred seventy".