1351225 has 6 divisors (see below), whose sum is σ = 1675550. Its totient is φ = 1080960.

The previous prime is 1351213. The next prime is 1351241. The reversal of 1351225 is 5221531.

It can be written as a sum of positive squares in 3 ways, for example, as 404496 + 946729 = 636^2 + 973^2 .

It is not a de Polignac number, because 1351225 - 2¹¹ = 1349177 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27000 + ... + 27049.

2^1351225 is an apocalyptic number.

It is an amenable number.

1351225 is a deficient number, since it is larger than the sum of its proper divisors (324325).

1351225 is an equidigital number, since it uses as much as digits as its factorization.

1351225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54059 (or 54054 counting only the distinct ones).

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

The square root of 1351225 is about 1162.4220403967. The cubic root of 1351225 is about 110.5543640277.

Adding to 1351225 its reverse (5221531), we get a palindrome (6572756).

The spelling of 1351225 in words is "one million, three hundred fifty-one thousand, two hundred twenty-five".