119960821 has 2 divisors, whose sum is σ = 119960822. Its totient is φ = 119960820.

The previous prime is 119960809. The next prime is 119960833. The reversal of 119960821 is 128069911.

It is a balanced prime because it is at equal distance from previous prime (119960809) and next prime (119960833).

It can be written as a sum of positive squares in only one way, i.e., 112042225 + 7918596 = 10585^2 + 2814^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-119960821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119960861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59980410 + 59980411.

It is an arithmetic number, because the mean of its divisors is an integer number (59980411).

Almost surely, 2^119960821 is an apocalyptic number.

It is an amenable number.

119960821 is a deficient number, since it is larger than the sum of its proper divisors (1).

119960821 is an equidigital number, since it uses as much as digits as its factorization.

119960821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 37.

The square root of 119960821 is about 10952.6627356091. The cubic root of 119960821 is about 493.1887291770.

The spelling of 119960821 in words is "one hundred nineteen million, nine hundred sixty thousand, eight hundred twenty-one".