121046782 has 4 divisors (see below), whose sum is σ = 181570176. Its totient is φ = 60523390.

The previous prime is 121046771. The next prime is 121046791. The reversal of 121046782 is 287640121.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30261694 + ... + 30261697.

It is an arithmetic number, because the mean of its divisors is an integer number (45392544).

Almost surely, 2^121046782 is an apocalyptic number.

121046782 is a deficient number, since it is larger than the sum of its proper divisors (60523394).

121046782 is an equidigital number, since it uses as much as digits as its factorization.

121046782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60523393.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 121046782 is about 11002.1262490484. The cubic root of 121046782 is about 494.6724793245.

The spelling of 121046782 in words is "one hundred twenty-one million, forty-six thousand, seven hundred eighty-two".