102426 has 16 divisors (see below), whose sum is σ = 210144. Its totient is φ = 33264.

The previous prime is 102409. The next prime is 102433. The reversal of 102426 is 624201.

It is a cake number, because a cake can be divided into 102426 parts by 85 planar cuts.

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, 60 + ... + 456.

It is an arithmetic number, because the mean of its divisors is an integer number (13134).

2¹⁰²⁴²⁶ is an apocalyptic number.

102426 is an abundant number, since it is smaller than the sum of its proper divisors (107718).

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

102426 is a wasteful number, since it uses less digits than its factorization.

102426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 102426 is about 320.0406224216. The cubic root of 102426 is about 46.7882430837.

Adding to 102426 its reverse (624201), we get a palindrome (726627).

It can be divided in two parts, 102 and 426, that added together give a triangular number (528 = T₃₂).

The spelling of 102426 in words is "one hundred two thousand, four hundred twenty-six".