1641130 has 8 divisors (see below), whose sum is σ = 2954052. Its totient is φ = 656448.

The previous prime is 1641103. The next prime is 1641131. The reversal of 1641130 is 311461.

It can be written as a sum of positive squares in 2 ways, for example, as 1640961 + 169 = 1281^2 + 13^2 .

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 (1641131) 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, 82047 + ... + 82066.

2^1641130 is an apocalyptic number.

1641130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1641130 is a deficient number, since it is larger than the sum of its proper divisors (1312922).

1641130 is a wasteful number, since it uses less digits than its factorization.

1641130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164120.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1641130 is about 1281.0659623923. The cubic root of 1641130 is about 117.9544495260.

Adding to 1641130 its reverse (311461), we get a palindrome (1952591).

It can be divided in two parts, 1641 and 130, that added together give a palindrome (1771).

The spelling of 1641130 in words is "one million, six hundred forty-one thousand, one hundred thirty".