121167868 has 6 divisors (see below), whose sum is σ = 212043776. Its totient is φ = 60583932.

The previous prime is 121167863. The next prime is 121167877. The reversal of 121167868 is 868761121.

It is a self number, because there is not a number n which added to its sum of digits gives 121167868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121167863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15145980 + ... + 15145987.

Almost surely, 2^121167868 is an apocalyptic number.

It is an amenable number.

121167868 is a deficient number, since it is larger than the sum of its proper divisors (90875908).

121167868 is a wasteful number, since it uses less digits than its factorization.

121167868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30291971 (or 30291969 counting only the distinct ones).

The product of its digits is 32256, while the sum is 40.

The square root of 121167868 is about 11007.6277189956. The cubic root of 121167868 is about 494.8373686054.

The spelling of 121167868 in words is "one hundred twenty-one million, one hundred sixty-seven thousand, eight hundred sixty-eight".