1491194 has 8 divisors (see below), whose sum is σ = 2242848. Its totient is φ = 743580.

The previous prime is 1491179. The next prime is 1491199. The reversal of 1491194 is 4911941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1491199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209 + ... + 1739.

It is an arithmetic number, because the mean of its divisors is an integer number (280356).

2^1491194 is an apocalyptic number.

1491194 is a deficient number, since it is larger than the sum of its proper divisors (751654).

1491194 is a wasteful number, since it uses less digits than its factorization.

1491194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020.

The product of its digits is 1296, while the sum is 29.

The square root of 1491194 is about 1221.1445450887. The cubic root of 1491194 is about 114.2469766033.

It can be divided in two parts, 149 and 1194, that multiplied together give a triangular number (177906 = T₅₉₆).

The spelling of 1491194 in words is "one million, four hundred ninety-one thousand, one hundred ninety-four".