1128901095 has 48 divisors (see below), whose sum is σ = 2253987840. Its totient is φ = 511987392.

The previous prime is 1128901087. The next prime is 1128901097. The reversal of 1128901095 is 5901098211.

It is not a de Polignac number, because 1128901095 - 2³ = 1128901087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128901097) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25896 + ... + 54114.

It is an arithmetic number, because the mean of its divisors is an integer number (46958080).

Almost surely, 2^1128901095 is an apocalyptic number.

1128901095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1128901095 is a deficient number, since it is larger than the sum of its proper divisors (1125086745).

1128901095 is a wasteful number, since it uses less digits than its factorization.

1128901095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28364 (or 28361 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 36.

The square root of 1128901095 is about 33599.1234260657. The cubic root of 1128901095 is about 1041.2426882845.

The spelling of 1128901095 in words is "one billion, one hundred twenty-eight million, nine hundred one thousand, ninety-five".