1126542852 has 72 divisors (see below), whose sum is σ = 3067384320. Its totient is φ = 347592960.

The previous prime is 1126542803. The next prime is 1126542863. The reversal of 1126542852 is 2582456211.

1126542852 is a `hidden beast` number, since 11 + 26 + 542 + 85 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3724 + ... + 47612.

It is an arithmetic number, because the mean of its divisors is an integer number (42602560).

Almost surely, 2^1126542852 is an apocalyptic number.

1126542852 is a gapful number since it is divisible by the number (12) 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 1126542852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1533692160).

1126542852 is an abundant number, since it is smaller than the sum of its proper divisors (1940841468).

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

1126542852 is a wasteful number, since it uses less digits than its factorization.

1126542852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43953 (or 43948 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 1126542852 is about 33564.0112620646. The cubic root of 1126542852 is about 1040.5171404915.

The spelling of 1126542852 in words is "one billion, one hundred twenty-six million, five hundred forty-two thousand, eight hundred fifty-two".