102321044 has 12 divisors (see below), whose sum is σ = 204642144. Its totient is φ = 43851864.

The previous prime is 102321031. The next prime is 102321047. The reversal of 102321044 is 440123201.

102321044 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102321047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1827134 + ... + 1827189.

It is an arithmetic number, because the mean of its divisors is an integer number (17053512).

Almost surely, 2^102321044 is an apocalyptic number.

102321044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102321044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

102321044 is a wasteful number, since it uses less digits than its factorization.

102321044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654334 (or 3654332 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 102321044 is about 10115.3864978062. The cubic root of 102321044 is about 467.7225630581.

Adding to 102321044 its reverse (440123201), we get a palindrome (542444245).

The spelling of 102321044 in words is "one hundred two million, three hundred twenty-one thousand, forty-four".