1208426688 has 140 divisors (see below), whose sum is σ = 4094014672. Its totient is φ = 345254400.

The previous prime is 1208426641. The next prime is 1208426701. The reversal of 1208426688 is 8866248021.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19638 + ... + 52938.

Almost surely, 2^1208426688 is an apocalyptic number.

1208426688 is a gapful number since it is divisible by the number (18) 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 1208426688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2047007336).

1208426688 is an abundant number, since it is smaller than the sum of its proper divisors (2885587984).

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

1208426688 is an equidigital number, since it uses as much as digits as its factorization.

1208426688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33332 (or 33313 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 1208426688 is about 34762.4321358561. The cubic root of 1208426688 is about 1065.1401838879.

The spelling of 1208426688 in words is "one billion, two hundred eight million, four hundred twenty-six thousand, six hundred eighty-eight".