1200159431 has 8 divisors (see below), whose sum is σ = 1204263744. Its totient is φ = 1196062560.

The previous prime is 1200159427. The next prime is 1200159437. The reversal of 1200159431 is 1349510021.

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 1200159431 - 2² = 1200159427 is a prime.

It is a super-2 number, since 2×1200159431² = 2880765319636487522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200159431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200159437) 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, 638465 + ... + 640341.

It is an arithmetic number, because the mean of its divisors is an integer number (150532968).

Almost surely, 2^1200159431 is an apocalyptic number.

1200159431 is a deficient number, since it is larger than the sum of its proper divisors (4104313).

1200159431 is a wasteful number, since it uses less digits than its factorization.

1200159431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1200159431 is about 34643.3172632183. The cubic root of 1200159431 is about 1062.7056284092.

Adding to 1200159431 its reverse (1349510021), we get a palindrome (2549669452).

The spelling of 1200159431 in words is "one billion, two hundred million, one hundred fifty-nine thousand, four hundred thirty-one".