1262288104 has 128 divisors (see below), whose sum is σ = 3214080000. Its totient is φ = 449729280.

The previous prime is 1262288077. The next prime is 1262288119. The reversal of 1262288104 is 4018822621.

It is a self number, because there is not a number n which added to its sum of digits gives 1262288104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337557 + ... + 341275.

It is an arithmetic number, because the mean of its divisors is an integer number (25110000).

Almost surely, 2^1262288104 is an apocalyptic number.

1262288104 is a gapful number since it is divisible by the number (14) 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 1262288104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607040000).

1262288104 is an abundant number, since it is smaller than the sum of its proper divisors (1951791896).

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

1262288104 is a wasteful number, since it uses less digits than its factorization.

1262288104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791 (or 3787 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 1262288104 is about 35528.6940936477. The cubic root of 1262288104 is about 1080.7356967172.

The spelling of 1262288104 in words is "one billion, two hundred sixty-two million, two hundred eighty-eight thousand, one hundred four".