1432120399 has 2 divisors, whose sum is σ = 1432120400. Its totient is φ = 1432120398.

The previous prime is 1432120397. The next prime is 1432120439. The reversal of 1432120399 is 9930212341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1432120399 - 2¹ = 1432120397 is a prime.

Together with 1432120397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1432120397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716060199 + 716060200.

It is an arithmetic number, because the mean of its divisors is an integer number (716060200).

Almost surely, 2^1432120399 is an apocalyptic number.

1432120399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1432120399 is an equidigital number, since it uses as much as digits as its factorization.

1432120399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 1432120399 is about 37843.3666446314. The cubic root of 1432120399 is about 1127.1797472953.

The spelling of 1432120399 in words is "one billion, four hundred thirty-two million, one hundred twenty thousand, three hundred ninety-nine".