1491258 has 8 divisors (see below), whose sum is σ = 2982528. Its totient is φ = 497084.

The previous prime is 1491247. The next prime is 1491271. The reversal of 1491258 is 8521941.

It is a happy number.

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

1491258 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124266 + ... + 124277.

It is an arithmetic number, because the mean of its divisors is an integer number (372816).

2^1491258 is an apocalyptic number.

1491258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1491258 is a wasteful number, since it uses less digits than its factorization.

1491258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248548.

The product of its digits is 2880, while the sum is 30.

The square root of 1491258 is about 1221.1707497316. The cubic root of 1491258 is about 114.2486110211.

The spelling of 1491258 in words is "one million, four hundred ninety-one thousand, two hundred fifty-eight".