1201024433 has 4 divisors (see below), whose sum is σ = 1372599360. Its totient is φ = 1029449508.

The previous prime is 1201024423. The next prime is 1201024453. The reversal of 1201024433 is 3344201021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3344201021 = 7 ⋅477743003.

It is a cyclic number.

It is not a de Polignac number, because 1201024433 - 2⁶ = 1201024369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201024423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85787453 + ... + 85787466.

It is an arithmetic number, because the mean of its divisors is an integer number (343149840).

Almost surely, 2^1201024433 is an apocalyptic number.

It is an amenable number.

1201024433 is a deficient number, since it is larger than the sum of its proper divisors (171574927).

1201024433 is an equidigital number, since it uses as much as digits as its factorization.

1201024433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171574926.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1201024433 is about 34655.7994136624. The cubic root of 1201024433 is about 1062.9608783130.

Adding to 1201024433 its reverse (3344201021), we get a palindrome (4545225454).

The spelling of 1201024433 in words is "one billion, two hundred one million, twenty-four thousand, four hundred thirty-three".