1126385500 has 48 divisors (see below), whose sum is σ = 2466330048. Its totient is φ = 449400000.

The previous prime is 1126385483. The next prime is 1126385537. The reversal of 1126385500 is 55836211.

It is a super-2 number, since 2×1126385500² = 2537488589220500000, 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 15 ways as a sum of consecutive naturals, for example, 207825 + ... + 213175.

It is an arithmetic number, because the mean of its divisors is an integer number (51381876).

Almost surely, 2^1126385500 is an apocalyptic number.

1126385500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126385500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1233165024).

1126385500 is an abundant number, since it is smaller than the sum of its proper divisors (1339944548).

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

1126385500 is a wasteful number, since it uses less digits than its factorization.

1126385500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5791 (or 5779 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1126385500 is about 33561.6671218818. The cubic root of 1126385500 is about 1040.4686928370.

The spelling of 1126385500 in words is "one billion, one hundred twenty-six million, three hundred eighty-five thousand, five hundred".