1123102000 has 40 divisors (see below), whose sum is σ = 2715665472. Its totient is φ = 449240000.

The previous prime is 1123101997. The next prime is 1123102003. The reversal of 1123102000 is 2013211.

It is an interprime number because it is at equal distance from previous prime (1123101997) and next prime (1123102003).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1123102000² = 2522716204808000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1123102003) by changing a digit.

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, 278776 + ... + 282775.

Almost surely, 2^1123102000 is an apocalyptic number.

1123102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123102000 is an abundant number, since it is smaller than the sum of its proper divisors (1592563472).

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

1123102000 is an equidigital number, since it uses as much as digits as its factorization.

1123102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561574 (or 561558 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1123102000 is about 33512.7140052846. The cubic root of 1123102000 is about 1039.4566935382.

Adding to 1123102000 its reverse (2013211), we get a palindrome (1125115211).

The spelling of 1123102000 in words is "one billion, one hundred twenty-three million, one hundred two thousand".