1288238008 has 16 divisors (see below), whose sum is σ = 2448535680. Its totient is φ = 635295168.

The previous prime is 1288237969. The next prime is 1288238047. The reversal of 1288238008 is 8008328821.

It is an interprime number because it is at equal distance from previous prime (1288237969) and next prime (1288238047).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102360 + ... + 1103527.

It is an arithmetic number, because the mean of its divisors is an integer number (153033480).

Almost surely, 2^1288238008 is an apocalyptic number.

It is an amenable number.

1288238008 is a deficient number, since it is larger than the sum of its proper divisors (1160297672).

1288238008 is a wasteful number, since it uses less digits than its factorization.

1288238008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205966 (or 2205962 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 1288238008 is about 35892.0326535013. The cubic root of 1288238008 is about 1088.0913792014.

The spelling of 1288238008 in words is "one billion, two hundred eighty-eight million, two hundred thirty-eight thousand, eight".