1133017428 has 48 divisors (see below), whose sum is σ = 2820654144. Its totient is φ = 352734720.

The previous prime is 1133017427. The next prime is 1133017453. The reversal of 1133017428 is 8247103311.

It is a junction number, because it is equal to n+sod(n) for n = 1133017395 and 1133017404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133017423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5526 + ... + 47922.

It is an arithmetic number, because the mean of its divisors is an integer number (58763628).

Almost surely, 2^1133017428 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 1133017428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1410327072).

1133017428 is an abundant number, since it is smaller than the sum of its proper divisors (1687636716).

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

1133017428 is a wasteful number, since it uses less digits than its factorization.

1133017428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42552 (or 42550 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1133017428 is about 33660.3242408626. The cubic root of 1133017428 is about 1042.5067206808.

The spelling of 1133017428 in words is "one billion, one hundred thirty-three million, seventeen thousand, four hundred twenty-eight".