1151241 has 16 divisors (see below), whose sum is σ = 1889664. Its totient is φ = 607104.

The previous prime is 1151237. The next prime is 1151243. The reversal of 1151241 is 1421511.

It is a happy number.

It is not a de Polignac number, because 1151241 - 2² = 1151237 is a prime.

1151241 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151241.

It is not an unprimeable number, because it can be changed into a prime (1151243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1836 + ... + 2381.

It is an arithmetic number, because the mean of its divisors is an integer number (118104).

2^1151241 is an apocalyptic number.

It is an amenable number.

1151241 is a deficient number, since it is larger than the sum of its proper divisors (738423).

1151241 is a wasteful number, since it uses less digits than its factorization.

1151241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240.

The product of its digits is 40, while the sum is 15.

The square root of 1151241 is about 1072.9589926926. The cubic root of 1151241 is about 104.8066282252.

Adding to 1151241 its reverse (1421511), we get a palindrome (2572752).

The spelling of 1151241 in words is "one million, one hundred fifty-one thousand, two hundred forty-one".