1321130 has 8 divisors (see below), whose sum is σ = 2378052. Its totient is φ = 528448.

The previous prime is 1321109. The next prime is 1321139. The reversal of 1321130 is 311231.

It can be written as a sum of positive squares in 2 ways, for example, as 1247689 + 73441 = 1117^2 + 271^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1321139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66047 + ... + 66066.

2^1321130 is an apocalyptic number.

1321130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321130 is a deficient number, since it is larger than the sum of its proper divisors (1056922).

1321130 is a wasteful number, since it uses less digits than its factorization.

1321130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132120.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1321130 is about 1149.4041934846. The cubic root of 1321130 is about 109.7274242995.

Adding to 1321130 its reverse (311231), we get a palindrome (1632361).

The spelling of 1321130 in words is "one million, three hundred twenty-one thousand, one hundred thirty".