121941782 has 32 divisors (see below), whose sum is σ = 199594368. Its totient is φ = 55653376.

The previous prime is 121941779. The next prime is 121941811. The reversal of 121941782 is 287149121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218648 + ... + 219204.

It is an arithmetic number, because the mean of its divisors is an integer number (6237324).

Almost surely, 2^121941782 is an apocalyptic number.

121941782 is a deficient number, since it is larger than the sum of its proper divisors (77652586).

121941782 is a wasteful number, since it uses less digits than its factorization.

121941782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760.

The product of its digits is 8064, while the sum is 35.

The square root of 121941782 is about 11042.7252976790. The cubic root of 121941782 is about 495.8886624665. Note that the first 3 decimals are identical.

The spelling of 121941782 in words is "one hundred twenty-one million, nine hundred forty-one thousand, seven hundred eighty-two".