1197392830 has 32 divisors (see below), whose sum is σ = 2184698880. Its totient is φ = 472469760.

The previous prime is 1197392827. The next prime is 1197392849. The reversal of 1197392830 is 382937911.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227266 + ... + 232474.

It is an arithmetic number, because the mean of its divisors is an integer number (68271840).

Almost surely, 2^1197392830 is an apocalyptic number.

1197392830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1197392830 is a deficient number, since it is larger than the sum of its proper divisors (987306050).

1197392830 is a wasteful number, since it uses less digits than its factorization.

1197392830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5524.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 1197392830 is about 34603.3644318006. The cubic root of 1197392830 is about 1061.8884190647. Note that the first 3 decimals are identical.

The spelling of 1197392830 in words is "one billion, one hundred ninety-seven million, three hundred ninety-two thousand, eight hundred thirty".