1491108 has 24 divisors (see below), whose sum is σ = 3508512. Its totient is φ = 492864.

The previous prime is 1491103. The next prime is 1491109. The reversal of 1491108 is 8011941.

It is not an unprimeable number, because it can be changed into a prime (1491103) 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, 1191 + ... + 2097.

It is an arithmetic number, because the mean of its divisors is an integer number (146188).

2^1491108 is an apocalyptic number.

It is an amenable number.

1491108 is an abundant number, since it is smaller than the sum of its proper divisors (2017404).

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

1491108 is a wasteful number, since it uses less digits than its factorization.

1491108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 1491108 is about 1221.1093317144. The cubic root of 1491108 is about 114.2447802808.

It can be divided in two parts, 1491 and 108, that multiplied together give a triangular number (161028 = T₅₆₇).

The spelling of 1491108 in words is "one million, four hundred ninety-one thousand, one hundred eight".