123381059 has 2 divisors, whose sum is σ = 123381060. Its totient is φ = 123381058.

The previous prime is 123381029. The next prime is 123381067. The reversal of 123381059 is 950183321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123381059 is a prime.

It is a super-2 number, since 2×123381059² = 30445771439922962, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123381029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61690529 + 61690530.

It is an arithmetic number, because the mean of its divisors is an integer number (61690530).

Almost surely, 2^123381059 is an apocalyptic number.

123381059 is a deficient number, since it is larger than the sum of its proper divisors (1).

123381059 is an equidigital number, since it uses as much as digits as its factorization.

123381059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 123381059 is about 11107.7026877748. The cubic root of 123381059 is about 497.8320253582.

The spelling of 123381059 in words is "one hundred twenty-three million, three hundred eighty-one thousand, fifty-nine".