1262225 has 12 divisors (see below), whose sum is σ = 1620060. Its totient is φ = 974400.

The previous prime is 1262221. The next prime is 1262231. The reversal of 1262225 is 5222621.

It can be written as a sum of positive squares in 6 ways, for example, as 295936 + 966289 = 544^2 + 983^2 .

It is not a de Polignac number, because 1262225 - 2² = 1262221 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1262197 and 1262206.

It is not an unprimeable number, because it can be changed into a prime (1262221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146 + ... + 1595.

It is an arithmetic number, because the mean of its divisors is an integer number (135005).

2^1262225 is an apocalyptic number.

It is an amenable number.

1262225 is a deficient number, since it is larger than the sum of its proper divisors (357835).

1262225 is a wasteful number, since it uses less digits than its factorization.

1262225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780 (or 1775 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 1262225 is about 1123.4878726537. The cubic root of 1262225 is about 108.0717687125.

Adding to 1262225 its reverse (5222621), we get a palindrome (6484846).

The spelling of 1262225 in words is "one million, two hundred sixty-two thousand, two hundred twenty-five".