1201230431 has 8 divisors (see below), whose sum is σ = 1243088400. Its totient is φ = 1159401600.

The previous prime is 1201230427. The next prime is 1201230451. The reversal of 1201230431 is 1340321021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201230431 - 2² = 1201230427 is a prime.

It is a super-2 number, since 2×1201230431² = 2885909096720891522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201230451) 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 7 ways as a sum of consecutive naturals, for example, 107456 + ... + 118106.

It is an arithmetic number, because the mean of its divisors is an integer number (155386050).

Almost surely, 2^1201230431 is an apocalyptic number.

1201230431 is a deficient number, since it is larger than the sum of its proper divisors (41857969).

1201230431 is a wasteful number, since it uses less digits than its factorization.

1201230431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14569.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1201230431 is about 34658.7713429083. The cubic root of 1201230431 is about 1063.0216473507.

Adding to 1201230431 its reverse (1340321021), we get a palindrome (2541551452).

The spelling of 1201230431 in words is "one billion, two hundred one million, two hundred thirty thousand, four hundred thirty-one".