1189426 has 24 divisors (see below), whose sum is σ = 2123820. Its totient is φ = 497952.

The previous prime is 1189417. The next prime is 1189453. The reversal of 1189426 is 6249811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1030225 + 159201 = 1015^2 + 399^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5080 + ... + 5308.

2^1189426 is an apocalyptic number.

1189426 is a deficient number, since it is larger than the sum of its proper divisors (934394).

1189426 is a wasteful number, since it uses less digits than its factorization.

1189426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 291 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 1189426 is about 1090.6080872614. The cubic root of 1189426 is about 105.9528091826.

The spelling of 1189426 in words is "one million, one hundred eighty-nine thousand, four hundred twenty-six".