1301730 has 16 divisors (see below), whose sum is σ = 3124224. Its totient is φ = 347120.

The previous prime is 1301719. The next prime is 1301761. The reversal of 1301730 is 371031.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 21666 + ... + 21725.

It is an arithmetic number, because the mean of its divisors is an integer number (195264).

2^1301730 is an apocalyptic number.

1301730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301730 is an abundant number, since it is smaller than the sum of its proper divisors (1822494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1301730 is a wasteful number, since it uses less digits than its factorization.

1301730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43401.

The product of its (nonzero) digits is 63, while the sum is 15.

The square root of 1301730 is about 1140.9338280549. The cubic root of 1301730 is about 109.1876799153.

Adding to 1301730 its reverse (371031), we get a palindrome (1672761).

The spelling of 1301730 in words is "one million, three hundred one thousand, seven hundred thirty".