1190042028 has 216 divisors, whose sum is σ = 3710987280. Its totient is φ = 320060160.

The previous prime is 1190041997. The next prime is 1190042047. The reversal of 1190042028 is 8202400911.

It is a junction number, because it is equal to n+sod(n) for n = 1190041992 and 1190042010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2199438 + ... + 2199978.

Almost surely, 2^1190042028 is an apocalyptic number.

1190042028 is a gapful number since it is divisible by the number (18) 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 1190042028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1855493640).

1190042028 is an abundant number, since it is smaller than the sum of its proper divisors (2520945252).

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

1190042028 is a wasteful number, since it uses less digits than its factorization.

1190042028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1190042028 is about 34496.9857813694. The cubic root of 1190042028 is about 1059.7109773305.

Adding to 1190042028 its reverse (8202400911), we get a palindrome (9392442939).

The spelling of 1190042028 in words is "one billion, one hundred ninety million, forty-two thousand, twenty-eight".