1201304433 has 12 divisors (see below), whose sum is σ = 1863247920. Its totient is φ = 686459592.

The previous prime is 1201304407. The next prime is 1201304449. The reversal of 1201304433 is 3344031021.

It is not a de Polignac number, because 1201304433 - 2¹⁷ = 1201173361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1201304483) 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 in 11 ways as a sum of consecutive naturals, for example, 4085923 + ... + 4086216.

It is an arithmetic number, because the mean of its divisors is an integer number (155270660).

Almost surely, 2^1201304433 is an apocalyptic number.

It is an amenable number.

1201304433 is a deficient number, since it is larger than the sum of its proper divisors (661943487).

1201304433 is an equidigital number, since it uses as much as digits as its factorization.

1201304433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8172156 (or 8172149 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1201304433 is about 34659.8389061461. The cubic root of 1201304433 is about 1063.0434761107.

Adding to 1201304433 its reverse (3344031021), we get a palindrome (4545335454).

The spelling of 1201304433 in words is "one billion, two hundred one million, three hundred four thousand, four hundred thirty-three".