1133724457 has 8 divisors (see below), whose sum is σ = 1153786536. Its totient is φ = 1113833472.

The previous prime is 1133724421. The next prime is 1133724479. The reversal of 1133724457 is 7544273311.

It can be written as a sum of positive squares in 4 ways, for example, as 560552976 + 573171481 = 23676^2 + 23941^2 .

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 1133724457 - 2⁷ = 1133724329 is a prime.

It is a super-2 number, since 2×1133724457² = 2570662288799889698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133794457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29368 + ... + 55945.

It is an arithmetic number, because the mean of its divisors is an integer number (144223317).

Almost surely, 2^1133724457 is an apocalyptic number.

It is an amenable number.

1133724457 is a deficient number, since it is larger than the sum of its proper divisors (20062079).

1133724457 is an equidigital number, since it uses as much as digits as its factorization.

1133724457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85547.

The product of its digits is 70560, while the sum is 37.

The square root of 1133724457 is about 33670.8250121674. The cubic root of 1133724457 is about 1042.7235250007.

Adding to 1133724457 its reverse (7544273311), we get a palindrome (8677997768).

The spelling of 1133724457 in words is "one billion, one hundred thirty-three million, seven hundred twenty-four thousand, four hundred fifty-seven".