1121725232 has 40 divisors (see below), whose sum is σ = 2229982272. Its totient is φ = 546291200.

The previous prime is 1121725223. The next prime is 1121725243. The reversal of 1121725232 is 2325271211.

It is a super-2 number, since 2×1121725232² = 2516534992210907648, which contains 22 as substring.

It is an unprimeable number.

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, 596678 + ... + 598554.

Almost surely, 2^1121725232 is an apocalyptic number.

It is an amenable number.

1121725232 is a deficient number, since it is larger than the sum of its proper divisors (1108257040).

1121725232 is a wasteful number, since it uses less digits than its factorization.

1121725232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837 (or 2831 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 1121725232 is about 33492.1667259674. The cubic root of 1121725232 is about 1039.0317763936.

Adding to 1121725232 its reverse (2325271211), we get a palindrome (3446996443).

The spelling of 1121725232 in words is "one billion, one hundred twenty-one million, seven hundred twenty-five thousand, two hundred thirty-two".