119863421 has 2 divisors, whose sum is σ = 119863422. Its totient is φ = 119863420.

The previous prime is 119863399. The next prime is 119863423. The reversal of 119863421 is 124368911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98287396 + 21576025 = 9914^2 + 4645^2 .

It is a cyclic number.

It is not a de Polignac number, because 119863421 - 2¹⁸ = 119601277 is a prime.

Together with 119863423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119863423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59931710 + 59931711.

It is an arithmetic number, because the mean of its divisors is an integer number (59931711).

Almost surely, 2^119863421 is an apocalyptic number.

It is an amenable number.

119863421 is a deficient number, since it is larger than the sum of its proper divisors (1).

119863421 is an equidigital number, since it uses as much as digits as its factorization.

119863421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 35.

The square root of 119863421 is about 10948.2154253559. The cubic root of 119863421 is about 493.0552145053.

The spelling of 119863421 in words is "one hundred nineteen million, eight hundred sixty-three thousand, four hundred twenty-one".