121970286 has 20 divisors (see below), whose sum is σ = 273304152. Its totient is φ = 40656708.

The previous prime is 121970281. The next prime is 121970297. The reversal of 121970286 is 682079121.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121970286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121970281) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 376290 + ... + 376613.

Almost surely, 2^121970286 is an apocalyptic number.

121970286 is an abundant number, since it is smaller than the sum of its proper divisors (151333866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121970286 is an equidigital number, since it uses as much as digits as its factorization.

121970286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752917 (or 752908 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 121970286 is about 11044.0158456967. The cubic root of 121970286 is about 495.9272975949.

The spelling of 121970286 in words is "one hundred twenty-one million, nine hundred seventy thousand, two hundred eighty-six".