1243108086 has 32 divisors (see below), whose sum is σ = 2714967936. Its totient is φ = 376320000.

The previous prime is 1243108063. The next prime is 1243108109. The reversal of 1243108086 is 6808013421.

It is an interprime number because it is at equal distance from previous prime (1243108063) and next prime (1243108109).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60406 + ... + 78326.

It is an arithmetic number, because the mean of its divisors is an integer number (84842748).

Almost surely, 2^1243108086 is an apocalyptic number.

1243108086 is an abundant number, since it is smaller than the sum of its proper divisors (1471859850).

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

1243108086 is a wasteful number, since it uses less digits than its factorization.

1243108086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18988.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1243108086 is about 35257.7379592055. The cubic root of 1243108086 is about 1075.2339381986.

The spelling of 1243108086 in words is "one billion, two hundred forty-three million, one hundred eight thousand, eighty-six".