1308642107 has 4 divisors (see below), whose sum is σ = 1312525656. Its totient is φ = 1304758560.

The previous prime is 1308642079. The next prime is 1308642121. The reversal of 1308642107 is 7012468031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7012468031 = 37 ⋅189526163.

It is a cyclic number.

It is not a de Polignac number, because 1308642107 - 2¹² = 1308638011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1308641107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1941269 + ... + 1941942.

It is an arithmetic number, because the mean of its divisors is an integer number (328131414).

Almost surely, 2^1308642107 is an apocalyptic number.

1308642107 is a deficient number, since it is larger than the sum of its proper divisors (3883549).

1308642107 is an equidigital number, since it uses as much as digits as its factorization.

1308642107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883548.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1308642107 is about 36175.1587004121. The cubic root of 1308642107 is about 1093.8059883089.

The spelling of 1308642107 in words is "one billion, three hundred eight million, six hundred forty-two thousand, one hundred seven".