1147241131 has 8 divisors (see below), whose sum is σ = 1215748800. Its totient is φ = 1080663360.

The previous prime is 1147241113. The next prime is 1147241159. The reversal of 1147241131 is 1311427411.

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 1147241131 - 2⁷ = 1147241003 is a prime.

It is a super-2 number, since 2×1147241131² = 2632324425316318322, 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 = 1147241096 and 1147241105.

It is not an unprimeable number, because it can be changed into a prime (1147241231) 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, 481251 + ... + 483628.

It is an arithmetic number, because the mean of its divisors is an integer number (151968600).

Almost surely, 2^1147241131 is an apocalyptic number.

1147241131 is a deficient number, since it is larger than the sum of its proper divisors (68507669).

1147241131 is an equidigital number, since it uses as much as digits as its factorization.

1147241131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964949.

The product of its digits is 672, while the sum is 25.

The square root of 1147241131 is about 33870.9481857240. The cubic root of 1147241131 is about 1046.8510741228.

Adding to 1147241131 its reverse (1311427411), we get a palindrome (2458668542).

The spelling of 1147241131 in words is "one billion, one hundred forty-seven million, two hundred forty-one thousand, one hundred thirty-one".