1301428 has 12 divisors (see below), whose sum is σ = 2289280. Its totient is φ = 647352.

The previous prime is 1301423. The next prime is 1301437. The reversal of 1301428 is 8241031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163 + ... + 1621.

2^1301428 is an apocalyptic number.

It is an amenable number.

1301428 is a deficient number, since it is larger than the sum of its proper divisors (987852).

1301428 is a wasteful number, since it uses less digits than its factorization.

1301428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686 (or 1684 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1301428 is about 1140.8014726498. The cubic root of 1301428 is about 109.1792354531.

Adding to 1301428 its reverse (8241031), we get a palindrome (9542459).

The spelling of 1301428 in words is "one million, three hundred one thousand, four hundred twenty-eight".