119980921 has 2 divisors, whose sum is σ = 119980922. Its totient is φ = 119980920.

The previous prime is 119980897. The next prime is 119980933. The reversal of 119980921 is 129089911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89510521 + 30470400 = 9461^2 + 5520^2 .

It is a cyclic number.

It is not a de Polignac number, because 119980921 - 2¹⁹ = 119456633 is a prime.

It is not a weakly prime, because it can be changed into another prime (119981921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59990460 + 59990461.

It is an arithmetic number, because the mean of its divisors is an integer number (59990461).

Almost surely, 2^119980921 is an apocalyptic number.

It is an amenable number.

119980921 is a deficient number, since it is larger than the sum of its proper divisors (1).

119980921 is an equidigital number, since it uses as much as digits as its factorization.

119980921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 40.

The square root of 119980921 is about 10953.5802822639. The cubic root of 119980921 is about 493.2162730027.

The spelling of 119980921 in words is "one hundred nineteen million, nine hundred eighty thousand, nine hundred twenty-one".