1225130 has 16 divisors (see below), whose sum is σ = 2228904. Its totient is φ = 484800.

The previous prime is 1225129. The next prime is 1225153. The reversal of 1225130 is 315221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 982081 + 243049 = 991^2 + 493^2 .

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, 404 + ... + 1616.

2^1225130 is an apocalyptic number.

1225130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225130 is a deficient number, since it is larger than the sum of its proper divisors (1003774).

1225130 is a wasteful number, since it uses less digits than its factorization.

1225130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1225130 is about 1106.8559075146. The cubic root of 1225130 is about 107.0025329124.

Subtracting from 1225130 its reverse (315221), we obtain a palindrome (909909).

The spelling of 1225130 in words is "one million, two hundred twenty-five thousand, one hundred thirty".