1150727431 has 8 divisors (see below), whose sum is σ = 1316180000. Its totient is φ = 985540608.

The previous prime is 1150727423. The next prime is 1150727503. The reversal of 1150727431 is 1347270511.

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 1150727431 - 2³ = 1150727423 is a prime.

It is a super-2 number, since 2×1150727431² = 2648347240911719522, 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 = 1150727393 and 1150727402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150727411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57066 + ... + 74551.

It is an arithmetic number, because the mean of its divisors is an integer number (164522500).

Almost surely, 2^1150727431 is an apocalyptic number.

1150727431 is a deficient number, since it is larger than the sum of its proper divisors (165452569).

1150727431 is a wasteful number, since it uses less digits than its factorization.

1150727431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132873.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 1150727431 is about 33922.3736050413. The cubic root of 1150727431 is about 1047.9104114971.

Adding to 1150727431 its reverse (1347270511), we get a palindrome (2497997942).

The spelling of 1150727431 in words is "one billion, one hundred fifty million, seven hundred twenty-seven thousand, four hundred thirty-one".