1128084590 has 16 divisors (see below), whose sum is σ = 2063841120. Its totient is φ = 443836320.

The previous prime is 1128084557. The next prime is 1128084599. The reversal of 1128084590 is 954808211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128084599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924050 + ... + 925269.

It is an arithmetic number, because the mean of its divisors is an integer number (128990070).

Almost surely, 2^1128084590 is an apocalyptic number.

1128084590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128084590 is a deficient number, since it is larger than the sum of its proper divisors (935756530).

1128084590 is a wasteful number, since it uses less digits than its factorization.

1128084590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849387.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 1128084590 is about 33586.9705391838. The cubic root of 1128084590 is about 1040.9915930916.

The spelling of 1128084590 in words is "one billion, one hundred twenty-eight million, eighty-four thousand, five hundred ninety".