102426225 has 24 divisors (see below), whose sum is σ = 184741152. Its totient is φ = 49660800.

The previous prime is 102426211. The next prime is 102426229. The reversal of 102426225 is 522624201.

It is a happy number.

It is not a de Polignac number, because 102426225 - 2⁴ = 102426209 is a prime.

It is a super-2 number, since 2×102426225² = 20982263135501250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102426195 and 102426204.

It is not an unprimeable number, because it can be changed into a prime (102426229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61252 + ... + 62901.

It is an arithmetic number, because the mean of its divisors is an integer number (7697548).

Almost surely, 2^102426225 is an apocalyptic number.

102426225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102426225 is a deficient number, since it is larger than the sum of its proper divisors (82314927).

102426225 is a wasteful number, since it uses less digits than its factorization.

102426225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124177 (or 124172 counting only the distinct ones).

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

The square root of 102426225 is about 10120.5842222670. The cubic root of 102426225 is about 467.8827734369.

The spelling of 102426225 in words is "one hundred two million, four hundred twenty-six thousand, two hundred twenty-five".