1191946 has 16 divisors (see below), whose sum is σ = 2151360. Its totient is φ = 483840.

The previous prime is 1191941. The next prime is 1191947. The reversal of 1191946 is 6491911.

It is not an unprimeable number, because it can be changed into a prime (1191941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1975 + ... + 2506.

It is an arithmetic number, because the mean of its divisors is an integer number (134460).

2^1191946 is an apocalyptic number.

1191946 is a deficient number, since it is larger than the sum of its proper divisors (959414).

1191946 is a wasteful number, since it uses less digits than its factorization.

1191946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509.

The product of its digits is 1944, while the sum is 31.

The square root of 1191946 is about 1091.7627947498. The cubic root of 1191946 is about 106.0275827116.

The spelling of 1191946 in words is "one million, one hundred ninety-one thousand, nine hundred forty-six".