1231950059 has 2 divisors, whose sum is σ = 1231950060. Its totient is φ = 1231950058.

The previous prime is 1231950053. The next prime is 1231950061. The reversal of 1231950059 is 9500591321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231950059 is a prime.

Together with 1231950061, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1231950053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615975029 + 615975030.

It is an arithmetic number, because the mean of its divisors is an integer number (615975030).

Almost surely, 2^1231950059 is an apocalyptic number.

1231950059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231950059 is an equidigital number, since it uses as much as digits as its factorization.

1231950059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 1231950059 is about 35099.1461292152. The cubic root of 1231950059 is about 1072.0071966524.

The spelling of 1231950059 in words is "one billion, two hundred thirty-one million, nine hundred fifty thousand, fifty-nine".