1149487 has 2 divisors, whose sum is σ = 1149488. Its totient is φ = 1149486.

The previous prime is 1149469. The next prime is 1149493. The reversal of 1149487 is 7849411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1149487 - 2¹⁹ = 625199 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1149427) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574743 + 574744.

It is an arithmetic number, because the mean of its divisors is an integer number (574744).

2^1149487 is an apocalyptic number.

1149487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149487 is an equidigital number, since it uses as much as digits as its factorization.

1149487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 34.

The square root of 1149487 is about 1072.1413153125. The cubic root of 1149487 is about 104.7533743120.

The spelling of 1149487 in words is "one million, one hundred forty-nine thousand, four hundred eighty-seven".