1128601859 has 12 divisors (see below), whose sum is σ = 1432215288. Its totient is φ = 879429600.

The previous prime is 1128601847. The next prime is 1128601891. The reversal of 1128601859 is 9581068211.

It is not a de Polignac number, because 1128601859 - 2²⁰ = 1127553283 is a prime.

It is a super-2 number, since 2×1128601859² = 2547484312276511762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1128601829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1046402 + ... + 1047479.

It is an arithmetic number, because the mean of its divisors is an integer number (119351274).

Almost surely, 2^1128601859 is an apocalyptic number.

1128601859 is a deficient number, since it is larger than the sum of its proper divisors (303613429).

1128601859 is a wasteful number, since it uses less digits than its factorization.

1128601859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093906 (or 2093899 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 41.

The square root of 1128601859 is about 33594.6700980974. The cubic root of 1128601859 is about 1041.1506799789.

The spelling of 1128601859 in words is "one billion, one hundred twenty-eight million, six hundred one thousand, eight hundred fifty-nine".