102660375 has 32 divisors (see below), whose sum is σ = 176357376. Its totient is φ = 52980000.

The previous prime is 102660373. The next prime is 102660379. The reversal of 102660375 is 573066201.

It is not a de Polignac number, because 102660375 - 2¹ = 102660373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102660373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7210 + ... + 16040.

It is an arithmetic number, because the mean of its divisors is an integer number (5511168).

Almost surely, 2^102660375 is an apocalyptic number.

102660375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102660375 is a deficient number, since it is larger than the sum of its proper divisors (73697001).

102660375 is an equidigital number, since it uses as much as digits as its factorization.

102660375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8880 (or 8870 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 102660375 is about 10132.1456266676. The cubic root of 102660375 is about 468.2390343302.

The spelling of 102660375 in words is "one hundred two million, six hundred sixty thousand, three hundred seventy-five".