1189094784970 has 16 divisors (see below), whose sum is σ = 2140649844840. Its totient is φ = 475575862464.

The previous prime is 1189094784953. The next prime is 1189094784971. The reversal of 1189094784970 is 794874909811.

It can be written as a sum of positive squares in 4 ways, for example, as 1178946438849 + 10148346121 = 1085793^2 + 100739^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1189094784896 and 1189094784905.

It is not an unprimeable number, because it can be changed into a prime (1189094784971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7675917 + ... + 7829296.

Almost surely, 2^{1189094784970} is an apocalyptic number.

1189094784970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1189094784970 is a deficient number, since it is larger than the sum of its proper divisors (951555059870).

1189094784970 is a wasteful number, since it uses less digits than its factorization.

1189094784970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15512889.

The product of its (nonzero) digits is 36578304, while the sum is 67.

The spelling of 1189094784970 in words is "one trillion, one hundred eighty-nine billion, ninety-four million, seven hundred eighty-four thousand, nine hundred seventy".