1124401331 has 4 divisors (see below), whose sum is σ = 1125100032. Its totient is φ = 1123702632.

The previous prime is 1124401309. The next prime is 1124401363. The reversal of 1124401331 is 1331044211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1331044211 = 7 ⋅190149173.

It is a cyclic number.

It is not a de Polignac number, because 1124401331 - 2¹⁰ = 1124400307 is a prime.

It is a super-2 number, since 2×1124401331² = 2528556706309143122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1124403331) 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, 346931 + ... + 350156.

It is an arithmetic number, because the mean of its divisors is an integer number (281275008).

Almost surely, 2^1124401331 is an apocalyptic number.

1124401331 is a deficient number, since it is larger than the sum of its proper divisors (698701).

1124401331 is an equidigital number, since it uses as much as digits as its factorization.

1124401331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698700.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1124401331 is about 33532.0940443629. The cubic root of 1124401331 is about 1039.8573926134.

Adding to 1124401331 its reverse (1331044211), we get a palindrome (2455445542).

The spelling of 1124401331 in words is "one billion, one hundred twenty-four million, four hundred one thousand, three hundred thirty-one".