1129074687 has 64 divisors (see below), whose sum is σ = 1874449920. Its totient is φ = 667180800.

The previous prime is 1129074673. The next prime is 1129074689. The reversal of 1129074687 is 7864709211.

It is a happy number.

It is not a de Polignac number, because 1129074687 - 2⁴ = 1129074671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129074689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 963612 + ... + 964782.

It is an arithmetic number, because the mean of its divisors is an integer number (29288280).

Almost surely, 2^1129074687 is an apocalyptic number.

1129074687 is a deficient number, since it is larger than the sum of its proper divisors (745375233).

1129074687 is a wasteful number, since it uses less digits than its factorization.

1129074687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301 (or 1295 counting only the distinct ones).

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

The square root of 1129074687 is about 33601.7066084448. The cubic root of 1129074687 is about 1041.2960564486.

The spelling of 1129074687 in words is "one billion, one hundred twenty-nine million, seventy-four thousand, six hundred eighty-seven".