1134123500 has 24 divisors (see below), whose sum is σ = 2476926816. Its totient is φ = 453649200.

The previous prime is 1134123493. The next prime is 1134123611. The reversal of 1134123500 is 53214311.

It is a super-2 number, since 2×1134123500² = 2572472226504500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1133624 + ... + 1134623.

It is an arithmetic number, because the mean of its divisors is an integer number (103205284).

Almost surely, 2^1134123500 is an apocalyptic number.

1134123500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1134123500 is an abundant number, since it is smaller than the sum of its proper divisors (1342803316).

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

1134123500 is a wasteful number, since it uses less digits than its factorization.

1134123500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268266 (or 2268254 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1134123500 is about 33676.7501401189. The cubic root of 1134123500 is about 1042.8458482902.

Adding to 1134123500 its reverse (53214311), we get a palindrome (1187337811).

The spelling of 1134123500 in words is "one billion, one hundred thirty-four million, one hundred twenty-three thousand, five hundred".