121874887 has 8 divisors (see below), whose sum is σ = 130813056. Its totient is φ = 113133312.

The previous prime is 121874843. The next prime is 121874891. The reversal of 121874887 is 788478121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121874887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121874087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47863 + ... + 50344.

It is an arithmetic number, because the mean of its divisors is an integer number (16351632).

Almost surely, 2^121874887 is an apocalyptic number.

121874887 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

121874887 is a deficient number, since it is larger than the sum of its proper divisors (8938169).

121874887 is an equidigital number, since it uses as much as digits as its factorization.

121874887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98297.

The product of its digits is 200704, while the sum is 46.

The square root of 121874887 is about 11039.6959650164. The cubic root of 121874887 is about 495.7979674389.

The spelling of 121874887 in words is "one hundred twenty-one million, eight hundred seventy-four thousand, eight hundred eighty-seven".