102009374 has 4 divisors (see below), whose sum is σ = 153014064. Its totient is φ = 51004686.

The previous prime is 102009361. The next prime is 102009379. The reversal of 102009374 is 473900201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102009379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25502342 + ... + 25502345.

It is an arithmetic number, because the mean of its divisors is an integer number (38253516).

Almost surely, 2^102009374 is an apocalyptic number.

102009374 is a deficient number, since it is larger than the sum of its proper divisors (51004690).

102009374 is an equidigital number, since it uses as much as digits as its factorization.

102009374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51004689.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 102009374 is about 10099.9690098534. The cubic root of 102009374 is about 467.2471856028.

Adding to 102009374 its reverse (473900201), we get a palindrome (575909575).

The spelling of 102009374 in words is "one hundred two million, nine thousand, three hundred seventy-four".