1123125355 has 24 divisors (see below), whose sum is σ = 1492873200. Its totient is φ = 804450240.

The previous prime is 1123125313. The next prime is 1123125379. The reversal of 1123125355 is 5535213211.

It is not a de Polignac number, because 1123125355 - 2¹⁵ = 1123092587 is a prime.

It is a super-2 number, since 2×1123125355² = 2522821126087752050, 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 23 ways as a sum of consecutive naturals, for example, 244621 + ... + 249169.

It is an arithmetic number, because the mean of its divisors is an integer number (62203050).

Almost surely, 2^1123125355 is an apocalyptic number.

1123125355 is a deficient number, since it is larger than the sum of its proper divisors (369747845).

1123125355 is an equidigital number, since it uses as much as digits as its factorization.

1123125355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699 (or 4632 counting only the distinct ones).

The product of its digits is 4500, while the sum is 28.

The square root of 1123125355 is about 33513.0624533181. The cubic root of 1123125355 is about 1039.4638986846.

Adding to 1123125355 its reverse (5535213211), we get a palindrome (6658338566).

The spelling of 1123125355 in words is "one billion, one hundred twenty-three million, one hundred twenty-five thousand, three hundred fifty-five".