1461191 has 4 divisors (see below), whose sum is σ = 1466472. Its totient is φ = 1455912.

The previous prime is 1461181. The next prime is 1461193. The reversal of 1461191 is 1911641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1461191 - 2⁶ = 1461127 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 (1461193) 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, 2201 + ... + 2786.

It is an arithmetic number, because the mean of its divisors is an integer number (366618).

2^1461191 is an apocalyptic number.

1461191 is a deficient number, since it is larger than the sum of its proper divisors (5281).

1461191 is an equidigital number, since it uses as much as digits as its factorization.

1461191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280.

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

The square root of 1461191 is about 1208.7973361983. The cubic root of 1461191 is about 113.4755586591.

The spelling of 1461191 in words is "one million, four hundred sixty-one thousand, one hundred ninety-one".