1189420237422 has 40 divisors (see below), whose sum is σ = 2727163385496. Its totient is φ = 387253098288.

The previous prime is 1189420237409. The next prime is 1189420237427. The reversal of 1189420237422 is 2247320249811.

1189420237422 is a `hidden beast` number, since 1 + 18 + 9 + 4 + 202 + 3 + 7 + 422 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189420237427) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 85366293 + ... + 85380224.

Almost surely, 2^{1189420237422} is an apocalyptic number.

1189420237422 is an abundant number, since it is smaller than the sum of its proper divisors (1537743148074).

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

1189420237422 is a wasteful number, since it uses less digits than its factorization.

1189420237422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170746574 (or 170746565 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 1189420237422 in words is "one trillion, one hundred eighty-nine billion, four hundred twenty million, two hundred thirty-seven thousand, four hundred twenty-two".