1124231551 has 4 divisors (see below), whose sum is σ = 1124506152. Its totient is φ = 1123956952.

The previous prime is 1124231527. The next prime is 1124231557. The reversal of 1124231551 is 1551324211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1124231551 - 2⁵ = 1124231519 is a prime.

It is a super-3 number, since 3×1124231551³ (a number of 28 digits) contains 333 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 (1124231557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131065 + ... + 139378.

It is an arithmetic number, because the mean of its divisors is an integer number (281126538).

Almost surely, 2^1124231551 is an apocalyptic number.

1124231551 is a deficient number, since it is larger than the sum of its proper divisors (274601).

1124231551 is an equidigital number, since it uses as much as digits as its factorization.

1124231551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274600.

The product of its digits is 1200, while the sum is 25.

The square root of 1124231551 is about 33529.5623442955. The cubic root of 1124231551 is about 1039.8050519085.

Adding to 1124231551 its reverse (1551324211), we get a palindrome (2675555762).

The spelling of 1124231551 in words is "one billion, one hundred twenty-four million, two hundred thirty-one thousand, five hundred fifty-one".