1301630 has 16 divisors (see below), whose sum is σ = 2556144. Its totient is φ = 473280.

The previous prime is 1301621. The next prime is 1301669. The reversal of 1301630 is 361031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5807 + ... + 6026.

It is an arithmetic number, because the mean of its divisors is an integer number (159759).

2^1301630 is an apocalyptic number.

1301630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301630 is a deficient number, since it is larger than the sum of its proper divisors (1254514).

1301630 is a wasteful number, since it uses less digits than its factorization.

1301630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11851.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1301630 is about 1140.8900034622. The cubic root of 1301630 is about 109.1848838804.

Adding to 1301630 its reverse (361031), we get a palindrome (1662661).

The spelling of 1301630 in words is "one million, three hundred one thousand, six hundred thirty".