1130123000 has 32 divisors (see below), whose sum is σ = 2644490160. Its totient is φ = 452048800.

The previous prime is 1130122999. The next prime is 1130123003. The reversal of 1130123000 is 3210311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130123003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564062 + ... + 566061.

Almost surely, 2^1130123000 is an apocalyptic number.

1130123000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130123000 is an abundant number, since it is smaller than the sum of its proper divisors (1514367160).

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

1130123000 is a wasteful number, since it uses less digits than its factorization.

1130123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130144 (or 1130130 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1130123000 is about 33617.3020928212. The cubic root of 1130123000 is about 1041.6182277920.

Adding to 1130123000 its reverse (3210311), we get a palindrome (1133333311).

The spelling of 1130123000 in words is "one billion, one hundred thirty million, one hundred twenty-three thousand".