1128369204 has 120 divisors (see below), whose sum is σ = 3018951936. Its totient is φ = 367416000.

The previous prime is 1128369197. The next prime is 1128369211. The reversal of 1128369204 is 4029638211.

It is an interprime number because it is at equal distance from previous prime (1128369197) and next prime (1128369211).

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

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 4163589 + ... + 4163859.

Almost surely, 2^1128369204 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 1128369204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1509475968).

1128369204 is an abundant number, since it is smaller than the sum of its proper divisors (1890582732).

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

1128369204 is a wasteful number, since it uses less digits than its factorization.

1128369204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1128369204 is about 33591.2072423722. The cubic root of 1128369204 is about 1041.0791325871.

The spelling of 1128369204 in words is "one billion, one hundred twenty-eight million, three hundred sixty-nine thousand, two hundred four".