1129258064 has 20 divisors (see below), whose sum is σ = 2386841280. Its totient is φ = 513299040.

The previous prime is 1129258063. The next prime is 1129258069. The reversal of 1129258064 is 4608529211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129258063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3207944 + ... + 3208295.

It is an arithmetic number, because the mean of its divisors is an integer number (119342064).

Almost surely, 2^1129258064 is an apocalyptic number.

It is an amenable number.

1129258064 is an abundant number, since it is smaller than the sum of its proper divisors (1257583216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1129258064 is a wasteful number, since it uses less digits than its factorization.

1129258064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416258 (or 6416252 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1129258064 is about 33604.4351834695. The cubic root of 1129258064 is about 1041.3524269180.

The spelling of 1129258064 in words is "one billion, one hundred twenty-nine million, two hundred fifty-eight thousand, sixty-four".