1131223754 has 4 divisors (see below), whose sum is σ = 1696835634. Its totient is φ = 565611876.

The previous prime is 1131223727. The next prime is 1131223763. The reversal of 1131223754 is 4573221311.

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

It can be written as a sum of positive squares in only one way, i.e., 906913225 + 224310529 = 30115^2 + 14977^2 .

It is a super-2 number, since 2×1131223754² = 2559334363227705032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282805937 + ... + 282805940.

Almost surely, 2^1131223754 is an apocalyptic number.

1131223754 is a deficient number, since it is larger than the sum of its proper divisors (565611880).

1131223754 is an equidigital number, since it uses as much as digits as its factorization.

1131223754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565611879.

The product of its digits is 5040, while the sum is 29.

The square root of 1131223754 is about 33633.6699454579. The cubic root of 1131223754 is about 1041.9563011332.

The spelling of 1131223754 in words is "one billion, one hundred thirty-one million, two hundred twenty-three thousand, seven hundred fifty-four".