1123101255 has 8 divisors (see below), whose sum is σ = 1796962032. Its totient is φ = 598987328.

The previous prime is 1123101223. The next prime is 1123101281. The reversal of 1123101255 is 5521013211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123101255 - 2⁵ = 1123101223 is a prime.

It is a super-2 number, since 2×1123101255² = 2522712857965150050, 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, 37436694 + ... + 37436723.

It is an arithmetic number, because the mean of its divisors is an integer number (224620254).

Almost surely, 2^1123101255 is an apocalyptic number.

1123101255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1123101255 is a deficient number, since it is larger than the sum of its proper divisors (673860777).

1123101255 is an equidigital number, since it uses as much as digits as its factorization.

1123101255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74873425.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1123101255 is about 33512.7028900983. The cubic root of 1123101255 is about 1039.4564637000.

Adding to 1123101255 its reverse (5521013211), we get a palindrome (6644114466).

It can be divided in two parts, 1123 and 101255, that added together give a triangular number (102378 = T₄₅₂).

The spelling of 1123101255 in words is "one billion, one hundred twenty-three million, one hundred one thousand, two hundred fifty-five".