121862273 has 16 divisors (see below), whose sum is σ = 139991040. Its totient is φ = 105083136.

The previous prime is 121862267. The next prime is 121862281. The reversal of 121862273 is 372268121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121862273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121862203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28736 + ... + 32702.

It is an arithmetic number, because the mean of its divisors is an integer number (8749440).

Almost surely, 2^121862273 is an apocalyptic number.

121862273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121862273 is a deficient number, since it is larger than the sum of its proper divisors (18128767).

121862273 is a wasteful number, since it uses less digits than its factorization.

121862273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136.

The product of its digits is 8064, while the sum is 32.

The square root of 121862273 is about 11039.1246482681. The cubic root of 121862273 is about 495.7808618877.

The spelling of 121862273 in words is "one hundred twenty-one million, eight hundred sixty-two thousand, two hundred seventy-three".