3123987107 has 2 divisors, whose sum is σ = 3123987108. Its totient is φ = 3123987106.

The previous prime is 3123987103. The next prime is 3123987127. The reversal of 3123987107 is 7017893213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3123987107 - 2² = 3123987103 is a prime.

It is not a weakly prime, because it can be changed into another prime (3123987103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561993553 + 1561993554.

It is an arithmetic number, because the mean of its divisors is an integer number (1561993554).

Almost surely, 2^3123987107 is an apocalyptic number.

3123987107 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123987107 is an equidigital number, since it uses as much as digits as its factorization.

3123987107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 3123987107 is about 55892.6391128564. The cubic root of 3123987107 is about 1461.8508937920.

The spelling of 3123987107 in words is "three billion, one hundred twenty-three million, nine hundred eighty-seven thousand, one hundred seven".