102782114 has 4 divisors (see below), whose sum is σ = 154173174. Its totient is φ = 51391056.

The previous prime is 102782111. The next prime is 102782123. The reversal of 102782114 is 411287201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 411287201 = 13 ⋅31637477.

It can be written as a sum of positive squares in only one way, i.e., 99341089 + 3441025 = 9967^2 + 1855^2 .

It is not an unprimeable number, because it can be changed into a prime (102782111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25695527 + ... + 25695530.

Almost surely, 2^102782114 is an apocalyptic number.

102782114 is a deficient number, since it is larger than the sum of its proper divisors (51391060).

102782114 is an equidigital number, since it uses as much as digits as its factorization.

102782114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51391059.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 102782114 is about 10138.1514094040. The cubic root of 102782114 is about 468.4240470788.

The spelling of 102782114 in words is "one hundred two million, seven hundred eighty-two thousand, one hundred fourteen".