1201430459 has 2 divisors, whose sum is σ = 1201430460. Its totient is φ = 1201430458.

The previous prime is 1201430437. The next prime is 1201430501. The reversal of 1201430459 is 9540341021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201430459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201430429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600715229 + 600715230.

It is an arithmetic number, because the mean of its divisors is an integer number (600715230).

Almost surely, 2^1201430459 is an apocalyptic number.

1201430459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201430459 is an equidigital number, since it uses as much as digits as its factorization.

1201430459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1201430459 is about 34661.6568992309. The cubic root of 1201430459 is about 1063.0806486012.

The spelling of 1201430459 in words is "one billion, two hundred one million, four hundred thirty thousand, four hundred fifty-nine".