102428711 has 16 divisors (see below), whose sum is σ = 128502528. Its totient is φ = 79315200.

The previous prime is 102428707. The next prime is 102428719. The reversal of 102428711 is 117824201.

It is a cyclic number.

It is not a de Polignac number, because 102428711 - 2² = 102428707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102428719) 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 15 ways as a sum of consecutive naturals, for example, 8471 + ... + 16631.

It is an arithmetic number, because the mean of its divisors is an integer number (8031408).

Almost surely, 2^102428711 is an apocalyptic number.

102428711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102428711 is a deficient number, since it is larger than the sum of its proper divisors (26073817).

102428711 is a wasteful number, since it uses less digits than its factorization.

102428711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8342.

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

The square root of 102428711 is about 10120.7070405185. The cubic root of 102428711 is about 467.8865587538.

The spelling of 102428711 in words is "one hundred two million, four hundred twenty-eight thousand, seven hundred eleven".