1225135 has 8 divisors (see below), whose sum is σ = 1495440. Its totient is φ = 963264.

The previous prime is 1225129. The next prime is 1225153. The reversal of 1225135 is 5315221.

1225135 = 493² + 494² + ... + 497².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1225135 - 2³ = 1225127 is a prime.

It is a congruent number.

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, 1782 + ... + 2371.

It is an arithmetic number, because the mean of its divisors is an integer number (186930).

2^1225135 is an apocalyptic number.

1225135 is a deficient number, since it is larger than the sum of its proper divisors (270305).

1225135 is an equidigital number, since it uses as much as digits as its factorization.

1225135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217.

The product of its digits is 300, while the sum is 19.

The square root of 1225135 is about 1106.8581661622. The cubic root of 1225135 is about 107.0026784784.

The spelling of 1225135 in words is "one million, two hundred twenty-five thousand, one hundred thirty-five".