102748066 has 4 divisors (see below), whose sum is σ = 154122102. Its totient is φ = 51374032.

The previous prime is 102748039. The next prime is 102748069. The reversal of 102748066 is 660847201.

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

It can be written as a sum of positive squares in only one way, i.e., 96138025 + 6610041 = 9805^2 + 2571^2 .

It is not an unprimeable number, because it can be changed into a prime (102748069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25687015 + ... + 25687018.

Almost surely, 2^102748066 is an apocalyptic number.

102748066 is a deficient number, since it is larger than the sum of its proper divisors (51374036).

102748066 is an equidigital number, since it uses as much as digits as its factorization.

102748066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51374035.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 102748066 is about 10136.4720687229. The cubic root of 102748066 is about 468.3723173801.

The spelling of 102748066 in words is "one hundred two million, seven hundred forty-eight thousand, sixty-six".