1128272694 has 64 divisors (see below), whose sum is σ = 2482099200. Its totient is φ = 340479488.

The previous prime is 1128272693. The next prime is 1128272723. The reversal of 1128272694 is 4962728211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128272693) 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 31 ways as a sum of consecutive naturals, for example, 280852 + ... + 284840.

It is an arithmetic number, because the mean of its divisors is an integer number (38782800).

Almost surely, 2^1128272694 is an apocalyptic number.

1128272694 is an abundant number, since it is smaller than the sum of its proper divisors (1353826506).

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

1128272694 is a wasteful number, since it uses less digits than its factorization.

1128272694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117.

The product of its digits is 96768, while the sum is 42.

The square root of 1128272694 is about 33589.7706750135. The cubic root of 1128272694 is about 1041.0494503958.

The spelling of 1128272694 in words is "one billion, one hundred twenty-eight million, two hundred seventy-two thousand, six hundred ninety-four".