1150649 has 2 divisors, whose sum is σ = 1150650. Its totient is φ = 1150648.

The previous prime is 1150631. The next prime is 1150651. The reversal of 1150649 is 9460511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 577600 + 573049 = 760^2 + 757^2 .

It is an emirp because it is prime and its reverse (9460511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1150649 - 2¹⁶ = 1085113 is a prime.

Together with 1150651, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (1150609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575324 + 575325.

It is an arithmetic number, because the mean of its divisors is an integer number (575325).

2^1150649 is an apocalyptic number.

It is an amenable number.

1150649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150649 is an equidigital number, since it uses as much as digits as its factorization.

1150649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1150649 is about 1072.6830846061. The cubic root of 1150649 is about 104.7886603215.

The spelling of 1150649 in words is "one million, one hundred fifty thousand, six hundred forty-nine".