1491102 has 32 divisors (see below), whose sum is σ = 3382560. Its totient is φ = 486720.

The previous prime is 1491097. The next prime is 1491103. The reversal of 1491102 is 2011941.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2602 + ... + 3122.

It is an arithmetic number, because the mean of its divisors is an integer number (105705).

2^1491102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1491102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1691280).

1491102 is an abundant number, since it is smaller than the sum of its proper divisors (1891458).

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

1491102 is a wasteful number, since it uses less digits than its factorization.

1491102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1491102 is about 1221.1068749295. The cubic root of 1491102 is about 114.2446270458.

The spelling of 1491102 in words is "one million, four hundred ninety-one thousand, one hundred two".