102713026 has 8 divisors (see below), whose sum is σ = 165921084. Its totient is φ = 47406000.

The previous prime is 102712991. The next prime is 102713029. The reversal of 102713026 is 620317201.

It can be written as a sum of positive squares in 2 ways, for example, as 98307225 + 4405801 = 9915^2 + 2099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102712988 and 102713006.

It is not an unprimeable number, because it can be changed into a prime (102713029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1975225 + ... + 1975276.

Almost surely, 2^102713026 is an apocalyptic number.

102713026 is a deficient number, since it is larger than the sum of its proper divisors (63208058).

102713026 is a wasteful number, since it uses less digits than its factorization.

102713026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950516.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 102713026 is about 10134.7435093346. The cubic root of 102713026 is about 468.3190685855.

The spelling of 102713026 in words is "one hundred two million, seven hundred thirteen thousand, twenty-six".