1491266 has 12 divisors (see below), whose sum is σ = 2602278. Its totient is φ = 639072.

The previous prime is 1491247. The next prime is 1491271. The reversal of 1491266 is 6621941.

It can be written as a sum of positive squares in only one way, i.e., 1030225 + 461041 = 1015^2 + 679^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7511 + ... + 7706.

2^1491266 is an apocalyptic number.

1491266 is a deficient number, since it is larger than the sum of its proper divisors (1111012).

1491266 is a wasteful number, since it uses less digits than its factorization.

1491266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15233 (or 15226 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 1491266 is about 1221.1740252724. The cubic root of 1491266 is about 114.2488153200.

The spelling of 1491266 in words is "one million, four hundred ninety-one thousand, two hundred sixty-six".