1189612 has 6 divisors (see below), whose sum is σ = 2081828. Its totient is φ = 594804.

The previous prime is 1189607. The next prime is 1189613. The reversal of 1189612 is 2169811.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1189613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148698 + ... + 148705.

2^1189612 is an apocalyptic number.

It is an amenable number.

1189612 is a deficient number, since it is larger than the sum of its proper divisors (892216).

1189612 is a wasteful number, since it uses less digits than its factorization.

1189612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297407 (or 297405 counting only the distinct ones).

The product of its digits is 864, while the sum is 28.

The square root of 1189612 is about 1090.6933574566. The cubic root of 1189612 is about 105.9583317891.

It can be divided in two parts, 118 and 9612, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 1189612 in words is "one million, one hundred eighty-nine thousand, six hundred twelve".