1189057 has 2 divisors, whose sum is σ = 1189058. Its totient is φ = 1189056.

The previous prime is 1189033. The next prime is 1189061. The reversal of 1189057 is 7509811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1185921 + 3136 = 1089^2 + 56^2 .

It is a cyclic number.

It is not a de Polignac number, because 1189057 - 2¹¹ = 1187009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1189007) 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 as a sum of consecutive naturals, namely, 594528 + 594529.

It is an arithmetic number, because the mean of its divisors is an integer number (594529).

2^1189057 is an apocalyptic number.

It is an amenable number.

1189057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1189057 is an equidigital number, since it uses as much as digits as its factorization.

1189057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 1189057 is about 1090.4389024608. The cubic root of 1189057 is about 105.9418513396.

The spelling of 1189057 in words is "one million, one hundred eighty-nine thousand, fifty-seven".