103155225 has 24 divisors (see below), whose sum is σ = 173774592. Its totient is φ = 53976000.

The previous prime is 103155211. The next prime is 103155257. The reversal of 103155225 is 522551301.

It is a happy number.

It is not a de Polignac number, because 103155225 - 2⁸ = 103154969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103155195 and 103155204.

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, 9001 + ... + 16950.

It is an arithmetic number, because the mean of its divisors is an integer number (7240608).

Almost surely, 2^103155225 is an apocalyptic number.

103155225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103155225 is a deficient number, since it is larger than the sum of its proper divisors (70619367).

103155225 is a wasteful number, since it uses less digits than its factorization.

103155225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26017 (or 26012 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 103155225 is about 10156.5360728941. The cubic root of 103155225 is about 468.9901738098.

The spelling of 103155225 in words is "one hundred three million, one hundred fifty-five thousand, two hundred twenty-five".