1303630 has 8 divisors (see below), whose sum is σ = 2346552. Its totient is φ = 521448.

The previous prime is 1303613. The next prime is 1303633. The reversal of 1303630 is 363031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65172 + ... + 65191.

It is an arithmetic number, because the mean of its divisors is an integer number (293319).

2^1303630 is an apocalyptic number.

1303630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1303630 is a deficient number, since it is larger than the sum of its proper divisors (1042922).

1303630 is a wasteful number, since it uses less digits than its factorization.

1303630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130370.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1303630 is about 1141.7661757120. The cubic root of 1303630 is about 109.2407773931.

Adding to 1303630 its reverse (363031), we get a palindrome (1666661).

The spelling of 1303630 in words is "one million, three hundred three thousand, six hundred thirty".