1151141 has 2 divisors, whose sum is σ = 1151142. Its totient is φ = 1151140.

The previous prime is 1151113. The next prime is 1151147. The reversal of 1151141 is 1411511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1144900 + 6241 = 1070^2 + 79^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151141 - 2¹⁰ = 1150117 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575570 + 575571.

It is an arithmetic number, because the mean of its divisors is an integer number (575571).

2^1151141 is an apocalyptic number.

It is an amenable number.

1151141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151141 is an equidigital number, since it uses as much as digits as its factorization.

1151141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20, while the sum is 14.

The square root of 1151141 is about 1072.9123915772. The cubic root of 1151141 is about 104.8035935388.

Adding to 1151141 its reverse (1411511), we get a palindrome (2562652).

The spelling of 1151141 in words is "one million, one hundred fifty-one thousand, one hundred forty-one".