1148271860 has 12 divisors (see below), whose sum is σ = 2411370948. Its totient is φ = 459308736.

The previous prime is 1148271857. The next prime is 1148271863. The reversal of 1148271860 is 681728411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1148271857) and next prime (1148271863).

It can be written as a sum of positive squares in 2 ways, for example, as 215091556 + 933180304 = 14666^2 + 30548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148271863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28706777 + ... + 28706816.

It is an arithmetic number, because the mean of its divisors is an integer number (200947579).

Almost surely, 2^1148271860 is an apocalyptic number.

1148271860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1148271860 is an abundant number, since it is smaller than the sum of its proper divisors (1263099088).

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

1148271860 is a wasteful number, since it uses less digits than its factorization.

1148271860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57413602 (or 57413600 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 1148271860 is about 33886.1603018105. The cubic root of 1148271860 is about 1047.1644917492.

The spelling of 1148271860 in words is "one billion, one hundred forty-eight million, two hundred seventy-one thousand, eight hundred sixty".