1225351 has 4 divisors (see below), whose sum is σ = 1227600. Its totient is φ = 1223104.

The previous prime is 1225331. The next prime is 1225361. The reversal of 1225351 is 1535221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1535221 = 197 ⋅7793.

It is a cyclic number.

It is not a de Polignac number, because 1225351 - 2⁵ = 1225319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270 + ... + 1588.

It is an arithmetic number, because the mean of its divisors is an integer number (306900).

2^1225351 is an apocalyptic number.

1225351 is a deficient number, since it is larger than the sum of its proper divisors (2249).

1225351 is an equidigital number, since it uses as much as digits as its factorization.

1225351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248.

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

The square root of 1225351 is about 1106.9557353390. The cubic root of 1225351 is about 107.0089665529.

The spelling of 1225351 in words is "one million, two hundred twenty-five thousand, three hundred fifty-one".