1271225088 has 324 divisors, whose sum is σ = 4408294800. Its totient is φ = 345083904.

The previous prime is 1271225069. The next prime is 1271225093. The reversal of 1271225088 is 8805221721.

1271225088 is a `hidden beast` number, since 1 + 27 + 122 + 508 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8531638 + ... + 8531786.

Almost surely, 2^1271225088 is an apocalyptic number.

1271225088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1271225088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2204147400).

1271225088 is an abundant number, since it is smaller than the sum of its proper divisors (3137069712).

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

1271225088 is a wasteful number, since it uses less digits than its factorization.

1271225088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 1271225088 is about 35654.2436183970. The cubic root of 1271225088 is about 1083.2802327793.

The spelling of 1271225088 in words is "one billion, two hundred seventy-one million, two hundred twenty-five thousand, eighty-eight".