1290108 has 12 divisors (see below), whose sum is σ = 3010280. Its totient is φ = 430032.

The previous prime is 1290083. The next prime is 1290109. The reversal of 1290108 is 8010921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53743 + ... + 53766.

2^1290108 is an apocalyptic number.

It is an amenable number.

1290108 is an abundant number, since it is smaller than the sum of its proper divisors (1720172).

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

1290108 is a wasteful number, since it uses less digits than its factorization.

1290108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107516 (or 107514 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1290108 is about 1135.8292125139. The cubic root of 1290108 is about 108.8617611784.

The spelling of 1290108 in words is "one million, two hundred ninety thousand, one hundred eight".