1237225 has 18 divisors (see below), whose sum is σ = 1690430. Its totient is φ = 897600.

The previous prime is 1237217. The next prime is 1237231. The reversal of 1237225 is 5227321.

1237225 is nontrivially palindromic in base 2.

It can be written as a sum of positive squares in 3 ways, for example, as 278784 + 958441 = 528^2 + 979^2 .

It is not a de Polignac number, because 1237225 - 2³ = 1237217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1237196 and 1237205.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2821 + ... + 3229.

2^1237225 is an apocalyptic number.

It is an amenable number.

1237225 is a deficient number, since it is larger than the sum of its proper divisors (453205).

1237225 is a wasteful number, since it uses less digits than its factorization.

1237225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 425 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 1237225 is about 1112.3061628886. The cubic root of 1237225 is about 107.3535051612.

The spelling of 1237225 in words is "one million, two hundred thirty-seven thousand, two hundred twenty-five".