102267428 has 24 divisors (see below), whose sum is σ = 180972792. Its totient is φ = 50564864.

The previous prime is 102267413. The next prime is 102267433. The reversal of 102267428 is 824762201.

It can be written as a sum of positive squares in 4 ways, for example, as 9684544 + 92582884 = 3112^2 + 9622^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102267394 and 102267403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183326 + ... + 183882.

It is an arithmetic number, because the mean of its divisors is an integer number (7540533).

Almost surely, 2^102267428 is an apocalyptic number.

It is an amenable number.

102267428 is a deficient number, since it is larger than the sum of its proper divisors (78705364).

102267428 is a wasteful number, since it uses less digits than its factorization.

102267428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 102267428 is about 10112.7359304987. The cubic root of 102267428 is about 467.6408535895.

The spelling of 102267428 in words is "one hundred two million, two hundred sixty-seven thousand, four hundred twenty-eight".