1200000108 has 24 divisors (see below), whose sum is σ = 2818796400. Its totient is φ = 397314880.

The previous prime is 1200000101. The next prime is 1200000121. The reversal of 1200000108 is 8010000021.

1200000108 = 347² + 348² + ... + 1538².

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

1200000108 is a modest number, since divided by 108 gives 12 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1200000093 and 1200000102.

It is not an unprimeable number, because it can be changed into a prime (1200000101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333783 + ... + 337358.

It is an arithmetic number, because the mean of its divisors is an integer number (117449850).

Almost surely, 2^1200000108 is an apocalyptic number.

It is an amenable number.

1200000108 is an abundant number, since it is smaller than the sum of its proper divisors (1618796292).

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

1200000108 is a wasteful number, since it uses less digits than its factorization.

1200000108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671297 (or 671295 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1200000108 is about 34641.0177102232. The cubic root of 1200000108 is about 1062.6586010624.

Adding to 1200000108 its reverse (8010000021), we get a palindrome (9210000129).

The spelling of 1200000108 in words is "one billion, two hundred million, one hundred eight", and thus it is an aban number.