1232201279 has 2 divisors, whose sum is σ = 1232201280. Its totient is φ = 1232201278.

The previous prime is 1232201251. The next prime is 1232201339. The reversal of 1232201279 is 9721022321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1232201279 - 2¹⁶ = 1232135743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232201219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616100639 + 616100640.

It is an arithmetic number, because the mean of its divisors is an integer number (616100640).

Almost surely, 2^1232201279 is an apocalyptic number.

1232201279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232201279 is an equidigital number, since it uses as much as digits as its factorization.

1232201279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1232201279 is about 35102.7246663275. The cubic root of 1232201279 is about 1072.0800598182.

The spelling of 1232201279 in words is "one billion, two hundred thirty-two million, two hundred one thousand, two hundred seventy-nine".