1151089 has 2 divisors, whose sum is σ = 1151090. Its totient is φ = 1151088.

The previous prime is 1151083. The next prime is 1151113. The reversal of 1151089 is 9801511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 893025 + 258064 = 945^2 + 508^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151089 - 2⁵ = 1151057 is a prime.

1151089 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1151083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575544 + 575545.

It is an arithmetic number, because the mean of its divisors is an integer number (575545).

2^1151089 is an apocalyptic number.

It is an amenable number.

1151089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151089 is an equidigital number, since it uses as much as digits as its factorization.

1151089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 1151089 is about 1072.8881581973. Note that the first 3 decimals coincide. The cubic root of 1151089 is about 104.8020154324.

The spelling of 1151089 in words is "one million, one hundred fifty-one thousand, eighty-nine".