121873886 has 8 divisors (see below), whose sum is σ = 183193920. Its totient is φ = 60809248.

The previous prime is 121873861. The next prime is 121873891. The reversal of 121873886 is 688378121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62651 + ... + 64566.

It is an arithmetic number, because the mean of its divisors is an integer number (22899240).

Almost surely, 2^121873886 is an apocalyptic number.

121873886 is a deficient number, since it is larger than the sum of its proper divisors (61320034).

121873886 is a wasteful number, since it uses less digits than its factorization.

121873886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127698.

The product of its digits is 129024, while the sum is 44.

The square root of 121873886 is about 11039.6506285299. The cubic root of 121873886 is about 495.7966100492.

The spelling of 121873886 in words is "one hundred twenty-one million, eight hundred seventy-three thousand, eight hundred eighty-six".