103490225 has 24 divisors (see below), whose sum is σ = 134699712. Its totient is φ = 78724800.

The previous prime is 103490213. The next prime is 103490243. The reversal of 103490225 is 522094301.

It is not a de Polignac number, because 103490225 - 2¹⁰ = 103489201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103490194 and 103490203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120899 + ... + 121751.

It is an arithmetic number, because the mean of its divisors is an integer number (5612488).

Almost surely, 2^103490225 is an apocalyptic number.

It is an amenable number.

103490225 is a deficient number, since it is larger than the sum of its proper divisors (31209487).

103490225 is a wasteful number, since it uses less digits than its factorization.

103490225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1092 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 103490225 is about 10173.0145483038. The cubic root of 103490225 is about 469.4973122485.

The spelling of 103490225 in words is "one hundred three million, four hundred ninety thousand, two hundred twenty-five".