1194242538 has 16 divisors (see below), whose sum is σ = 2392042176. Its totient is φ = 397488000.

The previous prime is 1194242521. The next prime is 1194242573. The reversal of 1194242538 is 8352424911.

It is a junction number, because it is equal to n+sod(n) for n = 1194242496 and 1194242505.

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 7 ways as a sum of consecutive naturals, for example, 143838 + ... + 151913.

It is an arithmetic number, because the mean of its divisors is an integer number (149502636).

Almost surely, 2^1194242538 is an apocalyptic number.

1194242538 is an abundant number, since it is smaller than the sum of its proper divisors (1197799638).

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

1194242538 is a wasteful number, since it uses less digits than its factorization.

1194242538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296429.

The product of its digits is 69120, while the sum is 39.

The square root of 1194242538 is about 34557.8144274200. The cubic root of 1194242538 is about 1060.9563393690.

The spelling of 1194242538 in words is "one billion, one hundred ninety-four million, two hundred forty-two thousand, five hundred thirty-eight".