1201199963 has 2 divisors, whose sum is σ = 1201199964. Its totient is φ = 1201199962.

The previous prime is 1201199959. The next prime is 1201200029. The reversal of 1201199963 is 3699911021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201199963 - 2² = 1201199959 is a prime.

It is a super-2 number, since 2×1201199963² = 2885762702222402738, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201199963.

It is not a weakly prime, because it can be changed into another prime (1201199903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600599981 + 600599982.

It is an arithmetic number, because the mean of its divisors is an integer number (600599982).

Almost surely, 2^1201199963 is an apocalyptic number.

1201199963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201199963 is an equidigital number, since it uses as much as digits as its factorization.

1201199963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 1201199963 is about 34658.3317977077. The cubic root of 1201199963 is about 1063.0126597836.

The spelling of 1201199963 in words is "one billion, two hundred one million, one hundred ninety-nine thousand, nine hundred sixty-three".