1201063431 has 4 divisors (see below), whose sum is σ = 1601417912. Its totient is φ = 800708952.

The previous prime is 1201063429. The next prime is 1201063441. The reversal of 1201063431 is 1343601021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1201063431 - 2¹ = 1201063429 is a prime.

It is a super-2 number, since 2×1201063431² = 2885106730570983522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201063398 and 1201063407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201063441) 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, 200177236 + ... + 200177241.

It is an arithmetic number, because the mean of its divisors is an integer number (400354478).

Almost surely, 2^1201063431 is an apocalyptic number.

1201063431 is a deficient number, since it is larger than the sum of its proper divisors (400354481).

1201063431 is an equidigital number, since it uses as much as digits as its factorization.

1201063431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400354480.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1201063431 is about 34656.3620566268. The cubic root of 1201063431 is about 1062.9723831857.

Adding to 1201063431 its reverse (1343601021), we get a palindrome (2544664452).

The spelling of 1201063431 in words is "one billion, two hundred one million, sixty-three thousand, four hundred thirty-one".