1149687027 has 20 divisors (see below), whose sum is σ = 1759327416. Its totient is φ = 747761760.

The previous prime is 1149687013. The next prime is 1149687029. The reversal of 1149687027 is 7207869411.

It is a happy number.

It is not a de Polignac number, because 1149687027 - 2⁶ = 1149686963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1149687029) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 169773 + ... + 176414.

Almost surely, 2^1149687027 is an apocalyptic number.

1149687027 is a deficient number, since it is larger than the sum of its proper divisors (609640389).

1149687027 is an equidigital number, since it uses as much as digits as its factorization.

1149687027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346240 (or 346231 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 1149687027 is about 33907.0350664873. The cubic root of 1149687027 is about 1047.5945014925.

The spelling of 1149687027 in words is "one billion, one hundred forty-nine million, six hundred eighty-seven thousand, twenty-seven".