119821057 has 2 divisors, whose sum is σ = 119821058. Its totient is φ = 119821056.

The previous prime is 119821043. The next prime is 119821063. The reversal of 119821057 is 750128911.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86192656 + 33628401 = 9284^2 + 5799^2 .

It is a cyclic number.

It is not a de Polignac number, because 119821057 - 2²³ = 111432449 is a prime.

It is not a weakly prime, because it can be changed into another prime (119821157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59910528 + 59910529.

It is an arithmetic number, because the mean of its divisors is an integer number (59910529).

Almost surely, 2^119821057 is an apocalyptic number.

It is an amenable number.

119821057 is a deficient number, since it is larger than the sum of its proper divisors (1).

119821057 is an equidigital number, since it uses as much as digits as its factorization.

119821057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 34.

The square root of 119821057 is about 10946.2805098353. The cubic root of 119821057 is about 492.9971199055.

Adding to 119821057 its reverse (750128911), we get a palindrome (869949968).

The spelling of 119821057 in words is "one hundred nineteen million, eight hundred twenty-one thousand, fifty-seven".