1290730 has 16 divisors (see below), whose sum is σ = 2655360. Its totient is φ = 442512.

The previous prime is 1290719. The next prime is 1290791. The reversal of 1290730 is 370921.

1290730 is nontrivially palindromic in base 6.

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, 9150 + ... + 9289.

It is an arithmetic number, because the mean of its divisors is an integer number (165960).

2^1290730 is an apocalyptic number.

1290730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1290730 is an abundant number, since it is smaller than the sum of its proper divisors (1364630).

1290730 is a wasteful number, since it uses less digits than its factorization.

1290730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18453.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 1290730 is about 1136.1029882894. The cubic root of 1290730 is about 108.8792535476.

The spelling of 1290730 in words is "one million, two hundred ninety thousand, seven hundred thirty".