1301009 has 4 divisors (see below), whose sum is σ = 1323120. Its totient is φ = 1278900.

The previous prime is 1300997. The next prime is 1301011. The reversal of 1301009 is 9001031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9001031 = 13 ⋅692387.

It is a cyclic number.

It is not a de Polignac number, because 1301009 - 2¹⁶ = 1235473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1300984 and 1301002.

It is not an unprimeable number, because it can be changed into a prime (1301099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10967 + ... + 11084.

It is an arithmetic number, because the mean of its divisors is an integer number (330780).

2^1301009 is an apocalyptic number.

It is an amenable number.

1301009 is a deficient number, since it is larger than the sum of its proper divisors (22111).

1301009 is an equidigital number, since it uses as much as digits as its factorization.

1301009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22110.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1301009 is about 1140.6178150459. The cubic root of 1301009 is about 109.1675172968.

The spelling of 1301009 in words is "one million, three hundred one thousand, nine".