1301189 has 4 divisors (see below), whose sum is σ = 1304640. Its totient is φ = 1297740.

The previous prime is 1301173. The next prime is 1301219. The reversal of 1301189 is 9811031.

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: 9811031 = 37 ⋅265163.

It is a cyclic number.

It is not a de Polignac number, because 1301189 - 2⁴ = 1301173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301119) 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, 1079 + ... + 1940.

It is an arithmetic number, because the mean of its divisors is an integer number (326160).

2^1301189 is an apocalyptic number.

It is an amenable number.

1301189 is a deficient number, since it is larger than the sum of its proper divisors (3451).

1301189 is an equidigital number, since it uses as much as digits as its factorization.

1301189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1301189 is about 1140.6967169235. The cubic root of 1301189 is about 109.1725516578.

The spelling of 1301189 in words is "one million, three hundred one thousand, one hundred eighty-nine".