1126521152 has 56 divisors (see below), whose sum is σ = 2335694592. Its totient is φ = 538444800.

The previous prime is 1126521139. The next prime is 1126521157. The reversal of 1126521152 is 2511256211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126521157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161252 + ... + 168092.

It is an arithmetic number, because the mean of its divisors is an integer number (41708832).

Almost surely, 2^1126521152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126521152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1167847296).

1126521152 is an abundant number, since it is smaller than the sum of its proper divisors (1209173440).

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

1126521152 is an equidigital number, since it uses as much as digits as its factorization.

1126521152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6967 (or 6957 counting only the distinct ones).

The product of its digits is 1200, while the sum is 26.

The square root of 1126521152 is about 33563.6879975965. The cubic root of 1126521152 is about 1040.5104594712.

Adding to 1126521152 its reverse (2511256211), we get a palindrome (3637777363).

The spelling of 1126521152 in words is "one billion, one hundred twenty-six million, five hundred twenty-one thousand, one hundred fifty-two".