102768530 has 32 divisors (see below), whose sum is σ = 197933760. Its totient is φ = 38301120.

The previous prime is 102768521. The next prime is 102768563. The reversal of 102768530 is 35867201.

It is a happy number.

It is a super-2 number, since 2×102768530² = 21122741516721800, which contains 22 as substring.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 7157 + ... + 16023.

It is an arithmetic number, because the mean of its divisors is an integer number (6185430).

Almost surely, 2^102768530 is an apocalyptic number.

102768530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102768530 is a deficient number, since it is larger than the sum of its proper divisors (95165230).

102768530 is a wasteful number, since it uses less digits than its factorization.

102768530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8954.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 102768530 is about 10137.4814426464. The cubic root of 102768530 is about 468.4034100492.

The spelling of 102768530 in words is "one hundred two million, seven hundred sixty-eight thousand, five hundred thirty".