102391107 has 16 divisors (see below), whose sum is σ = 168026880. Its totient is φ = 54008352.

The previous prime is 102391103. The next prime is 102391129. The reversal of 102391107 is 701193201.

It is not a de Polignac number, because 102391107 - 2² = 102391103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102391103) 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 15 ways as a sum of consecutive naturals, for example, 187257 + ... + 187802.

It is an arithmetic number, because the mean of its divisors is an integer number (10501680).

Almost surely, 2^102391107 is an apocalyptic number.

102391107 is a deficient number, since it is larger than the sum of its proper divisors (65635773).

102391107 is a wasteful number, since it uses less digits than its factorization.

102391107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375082.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 102391107 is about 10118.8490946352. The cubic root of 102391107 is about 467.8292943419.

The spelling of 102391107 in words is "one hundred two million, three hundred ninety-one thousand, one hundred seven".