102524642 has 16 divisors (see below), whose sum is σ = 171670752. Its totient is φ = 45517920.

The previous prime is 102524633. The next prime is 102524651. The reversal of 102524642 is 246425201.

It is an interprime number because it is at equal distance from previous prime (102524633) and next prime (102524651).

It is a super-2 number, since 2×102524642² = 21022604434456328, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 53243 + ... + 55134.

It is an arithmetic number, because the mean of its divisors is an integer number (10729422).

Almost surely, 2^102524642 is an apocalyptic number.

102524642 is a deficient number, since it is larger than the sum of its proper divisors (69146110).

102524642 is a wasteful number, since it uses less digits than its factorization.

102524642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108433.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 102524642 is about 10125.4452741596. The cubic root of 102524642 is about 468.0325816798.

Adding to 102524642 its reverse (246425201), we get a palindrome (348949843).

The spelling of 102524642 in words is "one hundred two million, five hundred twenty-four thousand, six hundred forty-two".