102321404 has 24 divisors (see below), whose sum is σ = 185664528. Its totient is φ = 49304960.

The previous prime is 102321379. The next prime is 102321409. The reversal of 102321404 is 404123201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102321409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9854 + ... + 17370.

It is an arithmetic number, because the mean of its divisors is an integer number (7736022).

Almost surely, 2^102321404 is an apocalyptic number.

It is an amenable number.

102321404 is a deficient number, since it is larger than the sum of its proper divisors (83343124).

102321404 is a wasteful number, since it uses less digits than its factorization.

102321404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7645 (or 7643 counting only the distinct ones).

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

The square root of 102321404 is about 10115.4042924640. The cubic root of 102321404 is about 467.7231115928.

Adding to 102321404 its reverse (404123201), we get a palindrome (506444605).

The spelling of 102321404 in words is "one hundred two million, three hundred twenty-one thousand, four hundred four".