1541191 has 2 divisors, whose sum is σ = 1541192. Its totient is φ = 1541190.

The previous prime is 1541171. The next prime is 1541209. The reversal of 1541191 is 1911451.

It is a strong prime.

It is an emirp because it is prime and its reverse (1911451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1541191 - 2⁷ = 1541063 is a prime.

It is a Chen prime.

It is an Ulam number.

1541191 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1541171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770595 + 770596.

It is an arithmetic number, because the mean of its divisors is an integer number (770596).

2^1541191 is an apocalyptic number.

1541191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541191 is an equidigital number, since it uses as much as digits as its factorization.

1541191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180, while the sum is 22.

The square root of 1541191 is about 1241.4471394304. The cubic root of 1541191 is about 115.5097972112.

The spelling of 1541191 in words is "one million, five hundred forty-one thousand, one hundred ninety-one".