102563740 has 24 divisors (see below), whose sum is σ = 215953920. Its totient is φ = 40916928.

The previous prime is 102563731. The next prime is 102563863. The reversal of 102563740 is 47365201.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 102563699 and 102563708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189 + ... + 14371.

It is an arithmetic number, because the mean of its divisors is an integer number (8998080).

Almost surely, 2^102563740 is an apocalyptic number.

102563740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102563740 is an abundant number, since it is smaller than the sum of its proper divisors (113390180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102563740 is a wasteful number, since it uses less digits than its factorization.

102563740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13581 (or 13579 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 102563740 is about 10127.3757706525. The cubic root of 102563740 is about 468.0920692068.

The spelling of 102563740 in words is "one hundred two million, five hundred sixty-three thousand, seven hundred forty".