1125223356 has 24 divisors (see below), whose sum is σ = 2640193920. Its totient is φ = 372978352.

The previous prime is 1125223349. The next prime is 1125223361. The reversal of 1125223356 is 6533225211.

It is a super-2 number, since 2×1125223356² = 2532255201775805472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259776 + ... + 264071.

It is an arithmetic number, because the mean of its divisors is an integer number (110008080).

Almost surely, 2^1125223356 is an apocalyptic number.

It is an amenable number.

1125223356 is an abundant number, since it is smaller than the sum of its proper divisors (1514970564).

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

1125223356 is a wasteful number, since it uses less digits than its factorization.

1125223356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524033 (or 524031 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 1125223356 is about 33544.3490919111. The cubic root of 1125223356 is about 1040.1107364828.

Adding to 1125223356 its reverse (6533225211), we get a palindrome (7658448567).

The spelling of 1125223356 in words is "one billion, one hundred twenty-five million, two hundred twenty-three thousand, three hundred fifty-six".