1288420795 has 8 divisors (see below), whose sum is σ = 1548681120. Its totient is φ = 1029019200.

The previous prime is 1288420789. The next prime is 1288420801. The reversal of 1288420795 is 5970248821.

It is an interprime number because it is at equal distance from previous prime (1288420789) and next prime (1288420801).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1288420795 - 2¹³ = 1288412603 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211375 + ... + 217384.

It is an arithmetic number, because the mean of its divisors is an integer number (193585140).

Almost surely, 2^1288420795 is an apocalyptic number.

1288420795 is a deficient number, since it is larger than the sum of its proper divisors (260260325).

1288420795 is an equidigital number, since it uses as much as digits as its factorization.

1288420795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429365.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 1288420795 is about 35894.5789082418. The cubic root of 1288420795 is about 1088.1428395557.

The spelling of 1288420795 in words is "one billion, two hundred eighty-eight million, four hundred twenty thousand, seven hundred ninety-five".