1199072028 has 192 divisors, whose sum is σ = 3616284672. Its totient is φ = 300222720.

The previous prime is 1199072027. The next prime is 1199072029. The reversal of 1199072028 is 8202709911.

It is an interprime number because it is at equal distance from previous prime (1199072027) and next prime (1199072029).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199072027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4092250 + ... + 4092542.

It is an arithmetic number, because the mean of its divisors is an integer number (18834816).

Almost surely, 2^1199072028 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 1199072028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1808142336).

1199072028 is an abundant number, since it is smaller than the sum of its proper divisors (2417212644).

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

1199072028 is a wasteful number, since it uses less digits than its factorization.

1199072028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 1199072028 is about 34627.6194388237. The cubic root of 1199072028 is about 1062.3845770441.

The spelling of 1199072028 in words is "one billion, one hundred ninety-nine million, seventy-two thousand, twenty-eight".