102425406 has 16 divisors (see below), whose sum is σ = 205200000. Its totient is φ = 34083608.

The previous prime is 102425369. The next prime is 102425423. The reversal of 102425406 is 604524201.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10656 + ... + 17843.

It is an arithmetic number, because the mean of its divisors is an integer number (12825000).

Almost surely, 2^102425406 is an apocalyptic number.

102425406 is an abundant number, since it is smaller than the sum of its proper divisors (102774594).

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

102425406 is a wasteful number, since it uses less digits than its factorization.

102425406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29103.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 102425406 is about 10120.5437600951. The cubic root of 102425406 is about 467.8815263702.

Adding to 102425406 its reverse (604524201), we get a palindrome (706949607).

It can be divided in two parts, 102425 and 406, that added together give a triangular number (102831 = T₄₅₃).

The spelling of 102425406 in words is "one hundred two million, four hundred twenty-five thousand, four hundred six".