1230864194 has 32 divisors (see below), whose sum is σ = 2223175680. Its totient is φ = 499284432.

The previous prime is 1230864191. The next prime is 1230864199. The reversal of 1230864194 is 4914680321.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (1230864191) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 547637 + ... + 549879.

It is an arithmetic number, because the mean of its divisors is an integer number (69474240).

Almost surely, 2^1230864194 is an apocalyptic number.

1230864194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1230864194 is a deficient number, since it is larger than the sum of its proper divisors (992311486).

1230864194 is a wasteful number, since it uses less digits than its factorization.

1230864194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4334.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1230864194 is about 35083.6741804504. The cubic root of 1230864194 is about 1071.6921413300.

The spelling of 1230864194 in words is "one billion, two hundred thirty million, eight hundred sixty-four thousand, one hundred ninety-four".