102430406 has 32 divisors (see below), whose sum is σ = 184433760. Its totient is φ = 42149376.

The previous prime is 102430399. The next prime is 102430409. The reversal of 102430406 is 604034201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102430409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2300 + ... + 14496.

It is an arithmetic number, because the mean of its divisors is an integer number (5763555).

Almost surely, 2^102430406 is an apocalyptic number.

102430406 is a deficient number, since it is larger than the sum of its proper divisors (82003354).

102430406 is a wasteful number, since it uses less digits than its factorization.

102430406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12248.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 102430406 is about 10120.7907793808. The cubic root of 102430406 is about 467.8891396166.

Adding to 102430406 its reverse (604034201), we get a palindrome (706464607).

The spelling of 102430406 in words is "one hundred two million, four hundred thirty thousand, four hundred six".