1288225177628 has 24 divisors (see below), whose sum is σ = 2259981059952. Its totient is φ = 642518002944.

The previous prime is 1288225177627. The next prime is 1288225177633. The reversal of 1288225177628 is 8267715228821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288225177627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2833850 + ... + 3256862.

It is an arithmetic number, because the mean of its divisors is an integer number (94165877498).

Almost surely, 2^{1288225177628} is an apocalyptic number.

It is an amenable number.

1288225177628 is a deficient number, since it is larger than the sum of its proper divisors (971755882324).

1288225177628 is a wasteful number, since it uses less digits than its factorization.

1288225177628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424901 (or 424899 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 59.

The spelling of 1288225177628 in words is "one trillion, two hundred eighty-eight billion, two hundred twenty-five million, one hundred seventy-seven thousand, six hundred twenty-eight".