1149240487 has 2 divisors, whose sum is σ = 1149240488. Its totient is φ = 1149240486.

The previous prime is 1149240439. The next prime is 1149240539. The reversal of 1149240487 is 7840429411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1149240487 - 2⁷ = 1149240359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1149240437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574620243 + 574620244.

It is an arithmetic number, because the mean of its divisors is an integer number (574620244).

Almost surely, 2^1149240487 is an apocalyptic number.

1149240487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149240487 is an equidigital number, since it uses as much as digits as its factorization.

1149240487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 1149240487 is about 33900.4496577848. The cubic root of 1149240487 is about 1047.4588548877.

Adding to 1149240487 its reverse (7840429411), we get a palindrome (8989669898).

The spelling of 1149240487 in words is "one billion, one hundred forty-nine million, two hundred forty thousand, four hundred eighty-seven".