1189424938 has 8 divisors (see below), whose sum is σ = 1921378788. Its totient is φ = 548965344.

The previous prime is 1189424933. The next prime is 1189424959. The reversal of 1189424938 is 8394249811.

It can be written as a sum of positive squares in 2 ways, for example, as 1166700649 + 22724289 = 34157^2 + 4767^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1189424891 and 1189424900.

It is not an unprimeable number, because it can be changed into a prime (1189424933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22873531 + ... + 22873582.

Almost surely, 2^1189424938 is an apocalyptic number.

1189424938 is a deficient number, since it is larger than the sum of its proper divisors (731953850).

1189424938 is a wasteful number, since it uses less digits than its factorization.

1189424938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45747128.

The product of its digits is 497664, while the sum is 49.

The square root of 1189424938 is about 34488.0405068192. The cubic root of 1189424938 is about 1059.5277764866.

The spelling of 1189424938 in words is "one billion, one hundred eighty-nine million, four hundred twenty-four thousand, nine hundred thirty-eight".