1189571345 has 16 divisors (see below), whose sum is σ = 1514401920. Its totient is φ = 893931264.

The previous prime is 1189571333. The next prime is 1189571351. The reversal of 1189571345 is 5431759811.

1189571345 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1189571345 - 2¹⁰ = 1189570321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1189571296 and 1189571305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31076 + ... + 57834.

It is an arithmetic number, because the mean of its divisors is an integer number (94650120).

Almost surely, 2^1189571345 is an apocalyptic number.

It is an amenable number.

1189571345 is a deficient number, since it is larger than the sum of its proper divisors (324830575).

1189571345 is a wasteful number, since it uses less digits than its factorization.

1189571345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27304.

The product of its digits is 151200, while the sum is 44.

The square root of 1189571345 is about 34490.1630178809. The cubic root of 1189571345 is about 1059.5712473309.

The spelling of 1189571345 in words is "one billion, one hundred eighty-nine million, five hundred seventy-one thousand, three hundred forty-five".