1260027888 has 160 divisors (see below), whose sum is σ = 3854800896. Its totient is φ = 347203584.

The previous prime is 1260027871. The next prime is 1260027889. The reversal of 1260027888 is 8887200621.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260027889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1152270 + ... + 1153362.

Almost surely, 2^1260027888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1260027888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1927400448).

1260027888 is an abundant number, since it is smaller than the sum of its proper divisors (2594773008).

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

1260027888 is a wasteful number, since it uses less digits than its factorization.

1260027888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 1260027888 is about 35496.8715241217. The cubic root of 1260027888 is about 1080.0902668037.

The spelling of 1260027888 in words is "one billion, two hundred sixty million, twenty-seven thousand, eight hundred eighty-eight".