1491130 has 8 divisors (see below), whose sum is σ = 2684052. Its totient is φ = 596448.

The previous prime is 1491109. The next prime is 1491157. The reversal of 1491130 is 311941.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1490841 + 289 = 1221^2 + 17^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1491098 and 1491107.

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, 74547 + ... + 74566.

2^1491130 is an apocalyptic number.

1491130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1491130 is a deficient number, since it is larger than the sum of its proper divisors (1192922).

1491130 is a wasteful number, since it uses less digits than its factorization.

1491130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149120.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1491130 is about 1221.1183398836. The cubic root of 1491130 is about 114.2453421388.

It can be divided in two parts, 14911 and 30, that added together give a palindrome (14941).

The spelling of 1491130 in words is "one million, four hundred ninety-one thousand, one hundred thirty".