121836975 has 96 divisors (see below), whose sum is σ = 233318400. Its totient is φ = 55641600.

The previous prime is 121836971. The next prime is 121836997. The reversal of 121836975 is 579638121.

It is not a de Polignac number, because 121836975 - 2² = 121836971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121836971) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 876456 + ... + 876594.

It is an arithmetic number, because the mean of its divisors is an integer number (2430400).

Almost surely, 2^121836975 is an apocalyptic number.

121836975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121836975 is a deficient number, since it is larger than the sum of its proper divisors (111481425).

121836975 is a wasteful number, since it uses less digits than its factorization.

121836975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 220 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 121836975 is about 11037.9787551888. The cubic root of 121836975 is about 495.7465523022.

The spelling of 121836975 in words is "one hundred twenty-one million, eight hundred thirty-six thousand, nine hundred seventy-five".