102641442 has 16 divisors (see below), whose sum is σ = 205433280. Its totient is φ = 34188752.

The previous prime is 102641437. The next prime is 102641471. The reversal of 102641442 is 244146201.

It is a happy number.

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, 3868 + ... + 14840.

It is an arithmetic number, because the mean of its divisors is an integer number (12839580).

Almost surely, 2^102641442 is an apocalyptic number.

102641442 is an abundant number, since it is smaller than the sum of its proper divisors (102791838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102641442 is a wasteful number, since it uses less digits than its factorization.

102641442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12537.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 102641442 is about 10131.2112800000. The cubic root of 102641442 is about 468.2102477782.

Adding to 102641442 its reverse (244146201), we get a palindrome (346787643).

The spelling of 102641442 in words is "one hundred two million, six hundred forty-one thousand, four hundred forty-two".