1129028975284 has 48 divisors (see below), whose sum is σ = 2288769653632. Its totient is φ = 477320988672.

The previous prime is 1129028975233. The next prime is 1129028975287. The reversal of 1129028975284 is 4825798209211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129028975287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156784 + ... + 1510840.

Almost surely, 2^{1129028975284} is an apocalyptic number.

1129028975284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1129028975284 is an abundant number, since it is smaller than the sum of its proper divisors (1159740678348).

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

1129028975284 is a wasteful number, since it uses less digits than its factorization.

1129028975284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354472 (or 1354470 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 58.

The spelling of 1129028975284 in words is "one trillion, one hundred twenty-nine billion, twenty-eight million, nine hundred seventy-five thousand, two hundred eighty-four".