1125231744 has 192 divisors, whose sum is σ = 3700347840. Its totient is φ = 296644608.

The previous prime is 1125231721. The next prime is 1125231749. The reversal of 1125231744 is 4471325211.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×1125231744² = 2532292955410563072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1125231749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 453034 + ... + 455510.

It is an arithmetic number, because the mean of its divisors is an integer number (19272645).

Almost surely, 2^1125231744 is an apocalyptic number.

1125231744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125231744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1850173920).

1125231744 is an abundant number, since it is smaller than the sum of its proper divisors (2575116096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125231744 is a wasteful number, since it uses less digits than its factorization.

1125231744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527 (or 2502 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 1125231744 is about 33544.4741201886. The cubic root of 1125231744 is about 1040.1133209851.

Adding to 1125231744 its reverse (4471325211), we get a palindrome (5596556955).

The spelling of 1125231744 in words is "one billion, one hundred twenty-five million, two hundred thirty-one thousand, seven hundred forty-four".