1149876009 has 12 divisors (see below), whose sum is σ = 1696271616. Its totient is φ = 750273432.

The previous prime is 1149876001. The next prime is 1149876017. The reversal of 1149876009 is 9006789411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1149876001) and next prime (1149876017).

It is not a de Polignac number, because 1149876009 - 2³ = 1149876001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1149876001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1358769 + ... + 1359614.

It is an arithmetic number, because the mean of its divisors is an integer number (141355968).

Almost surely, 2^1149876009 is an apocalyptic number.

It is an amenable number.

1149876009 is a deficient number, since it is larger than the sum of its proper divisors (546395607).

1149876009 is a wasteful number, since it uses less digits than its factorization.

1149876009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718436 (or 2718433 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 1149876009 is about 33909.8217187882. The cubic root of 1149876009 is about 1047.6518984631.

The spelling of 1149876009 in words is "one billion, one hundred forty-nine million, eight hundred seventy-six thousand, nine".