119980821 has 8 divisors (see below), whose sum is σ = 160049824. Its totient is φ = 79949520.

The previous prime is 119980799. The next prime is 119980831. The reversal of 119980821 is 128089911.

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

It is not a de Polignac number, because 119980821 - 2¹⁵ = 119948053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 119980821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (119980831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895 + ... + 15516.

It is an arithmetic number, because the mean of its divisors is an integer number (20006228).

Almost surely, 2^119980821 is an apocalyptic number.

It is an amenable number.

119980821 is a deficient number, since it is larger than the sum of its proper divisors (40069003).

119980821 is a wasteful number, since it uses less digits than its factorization.

119980821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18851.

The product of its (nonzero) digits is 10368, while the sum is 39.

The square root of 119980821 is about 10953.5757175454. The cubic root of 119980821 is about 493.2161359764.

The spelling of 119980821 in words is "one hundred nineteen million, nine hundred eighty thousand, eight hundred twenty-one".