1128059215 has 4 divisors (see below), whose sum is σ = 1353671064. Its totient is φ = 902447368.

The previous prime is 1128059189. The next prime is 1128059239. The reversal of 1128059215 is 5129508211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1128059215 - 2²⁷ = 993841487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112805917 + ... + 112805926.

It is an arithmetic number, because the mean of its divisors is an integer number (338417766).

Almost surely, 2^1128059215 is an apocalyptic number.

1128059215 is a deficient number, since it is larger than the sum of its proper divisors (225611849).

1128059215 is an equidigital number, since it uses as much as digits as its factorization.

1128059215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225611848.

The product of its (nonzero) digits is 7200, while the sum is 34.

The square root of 1128059215 is about 33586.5927864081. The cubic root of 1128059215 is about 1040.9837877196.

The spelling of 1128059215 in words is "one billion, one hundred twenty-eight million, fifty-nine thousand, two hundred fifteen".