102702274 has 4 divisors (see below), whose sum is σ = 154053414. Its totient is φ = 51351136.

The previous prime is 102702251. The next prime is 102702283. The reversal of 102702274 is 472207201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 472207201 = 5801 ⋅81401.

It can be written as a sum of positive squares in only one way, i.e., 55875625 + 46826649 = 7475^2 + 6843^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25675567 + ... + 25675570.

Almost surely, 2^102702274 is an apocalyptic number.

102702274 is a deficient number, since it is larger than the sum of its proper divisors (51351140).

102702274 is an equidigital number, since it uses as much as digits as its factorization.

102702274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51351139.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 102702274 is about 10134.2130429550. The cubic root of 102702274 is about 468.3027268013.

Adding to 102702274 its reverse (472207201), we get a palindrome (574909475).

It can be divided in two parts, 10270 and 2274, that added together give a square (12544 = 112²).

The spelling of 102702274 in words is "one hundred two million, seven hundred two thousand, two hundred seventy-four".