1133020452 has 24 divisors (see below), whose sum is σ = 2652745536. Its totient is φ = 376383328.

The previous prime is 1133020433. The next prime is 1133020453. The reversal of 1133020452 is 2540203311.

It is not an unprimeable number, because it can be changed into a prime (1133020453) 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, 157608 + ... + 164639.

It is an arithmetic number, because the mean of its divisors is an integer number (110531064).

Almost surely, 2^1133020452 is an apocalyptic number.

1133020452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1133020452 is an abundant number, since it is smaller than the sum of its proper divisors (1519725084).

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

1133020452 is a wasteful number, since it uses less digits than its factorization.

1133020452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322547 (or 322545 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1133020452 is about 33660.3691601860. The cubic root of 1133020452 is about 1042.5076481563.

Adding to 1133020452 its reverse (2540203311), we get a palindrome (3673223763).

The spelling of 1133020452 in words is "one billion, one hundred thirty-three million, twenty thousand, four hundred fifty-two".