1199428306 has 8 divisors (see below), whose sum is σ = 1799293104. Its totient is φ = 599663940.

The previous prime is 1199428291. The next prime is 1199428339. The reversal of 1199428306 is 6038249911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1199428306² = 2877256522468059272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23821 + ... + 54463.

It is an arithmetic number, because the mean of its divisors is an integer number (224911638).

Almost surely, 2^1199428306 is an apocalyptic number.

1199428306 is a deficient number, since it is larger than the sum of its proper divisors (599864798).

1199428306 is a wasteful number, since it uses less digits than its factorization.

1199428306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50216.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 1199428306 is about 34632.7634762229. The cubic root of 1199428306 is about 1062.4897880633.

The spelling of 1199428306 in words is "one billion, one hundred ninety-nine million, four hundred twenty-eight thousand, three hundred six".