1201433399 has 2 divisors, whose sum is σ = 1201433400. Its totient is φ = 1201433398.

The previous prime is 1201433393. The next prime is 1201433407. The reversal of 1201433399 is 9933341021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201433399 - 2¹² = 1201429303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201433393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600716699 + 600716700.

It is an arithmetic number, because the mean of its divisors is an integer number (600716700).

Almost surely, 2^1201433399 is an apocalyptic number.

1201433399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201433399 is an equidigital number, since it uses as much as digits as its factorization.

1201433399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 1201433399 is about 34661.6993091799. The cubic root of 1201433399 is about 1063.0815157493.

The spelling of 1201433399 in words is "one billion, two hundred one million, four hundred thirty-three thousand, three hundred ninety-nine".