1288622094 has 16 divisors (see below), whose sum is σ = 2582889168. Its totient is φ = 428599872.

The previous prime is 1288622033. The next prime is 1288622129. The reversal of 1288622094 is 4902268821.

It is a super-2 number, since 2×1288622094² = 3321093802289889672, which contains 22 as substring.

It is a congruent number.

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, 232237 + ... + 237720.

It is an arithmetic number, because the mean of its divisors is an integer number (161430573).

Almost surely, 2^1288622094 is an apocalyptic number.

1288622094 is an abundant number, since it is smaller than the sum of its proper divisors (1294267074).

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

1288622094 is a wasteful number, since it uses less digits than its factorization.

1288622094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470419.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 1288622094 is about 35897.3828293930. The cubic root of 1288622094 is about 1088.1995059957.

It can be divided in two parts, 12886 and 22094, that added together give a triangular number (34980 = T₂₆₄).

The spelling of 1288622094 in words is "one billion, two hundred eighty-eight million, six hundred twenty-two thousand, ninety-four".