1128158262 has 216 divisors, whose sum is σ = 3231690696. Its totient is φ = 283575600.

The previous prime is 1128158243. The next prime is 1128158281. The reversal of 1128158262 is 2628518211.

1128158262 is a `hidden beast` number, since 1 + 12 + 8 + 1 + 582 + 62 = 666.

It is an interprime number because it is at equal distance from previous prime (1128158243) and next prime (1128158281).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 36392187 + ... + 36392217.

It is an arithmetic number, because the mean of its divisors is an integer number (14961531).

Almost surely, 2^1128158262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1128158262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615845348).

1128158262 is an abundant number, since it is smaller than the sum of its proper divisors (2103532434).

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

1128158262 is a wasteful number, since it uses less digits than its factorization.

1128158262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 54 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 1128158262 is about 33588.0672560956. The cubic root of 1128158262 is about 1041.0142539996.

The spelling of 1128158262 in words is "one billion, one hundred twenty-eight million, one hundred fifty-eight thousand, two hundred sixty-two".