1128456065 has 16 divisors (see below), whose sum is σ = 1480248000. Its totient is φ = 819030720.

The previous prime is 1128456053. The next prime is 1128456067. The reversal of 1128456065 is 5606548211.

It is a happy number.

It is not a de Polignac number, because 1128456065 - 2⁶ = 1128456001 is a prime.

It is a super-3 number, since 3×1128456065³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1128456067) 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, 6887 + ... + 48003.

It is an arithmetic number, because the mean of its divisors is an integer number (92515500).

Almost surely, 2^1128456065 is an apocalyptic number.

It is an amenable number.

1128456065 is a deficient number, since it is larger than the sum of its proper divisors (351791935).

1128456065 is a wasteful number, since it uses less digits than its factorization.

1128456065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41632.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 1128456065 is about 33592.5001302374. The cubic root of 1128456065 is about 1041.1058457273.

The spelling of 1128456065 in words is "one billion, one hundred twenty-eight million, four hundred fifty-six thousand, sixty-five".