121892316 has 48 divisors (see below), whose sum is σ = 350052864. Its totient is φ = 32147136.

The previous prime is 121892299. The next prime is 121892317. The reversal of 121892316 is 613298121.

It is a super-3 number, since 3×121892316³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121892317) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 54720 + ... + 56903.

It is an arithmetic number, because the mean of its divisors is an integer number (7292768).

Almost surely, 2^121892316 is an apocalyptic number.

It is an amenable number.

121892316 is an abundant number, since it is smaller than the sum of its proper divisors (228160548).

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

121892316 is a wasteful number, since it uses less digits than its factorization.

121892316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111650 (or 111648 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 121892316 is about 11040.4853154198. The cubic root of 121892316 is about 495.8216005572.

The spelling of 121892316 in words is "one hundred twenty-one million, eight hundred ninety-two thousand, three hundred sixteen".