1194450642 has 48 divisors (see below), whose sum is σ = 3226571712. Its totient is φ = 310246560.

The previous prime is 1194450629. The next prime is 1194450659. The reversal of 1194450642 is 2460544911.

1194450642 is a `hidden beast` number, since 1 + 1 + 9 + 4 + 4 + 5 + 0 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1194450597 and 1194450606.

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 23 ways as a sum of consecutive naturals, for example, 429513 + ... + 432284.

It is an arithmetic number, because the mean of its divisors is an integer number (67220244).

Almost surely, 2^1194450642 is an apocalyptic number.

1194450642 is an abundant number, since it is smaller than the sum of its proper divisors (2032121070).

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

1194450642 is a wasteful number, since it uses less digits than its factorization.

1194450642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861823 (or 861820 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1194450642 is about 34560.8252505637. The cubic root of 1194450642 is about 1061.0179618138.

The spelling of 1194450642 in words is "one billion, one hundred ninety-four million, four hundred fifty thousand, six hundred forty-two".