1225237 has 6 divisors (see below), whose sum is σ = 1323798. Its totient is φ = 1127304.

The previous prime is 1225223. The next prime is 1225261. The reversal of 1225237 is 7325221.

It can be written as a sum of positive squares in only one way, i.e., 848241 + 376996 = 921^2 + 614^2 .

It is not a de Polignac number, because 1225237 - 2⁷ = 1225109 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 (1225297) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3838 + ... + 4144.

It is an arithmetic number, because the mean of its divisors is an integer number (220633).

2^1225237 is an apocalyptic number.

It is an amenable number.

1225237 is a deficient number, since it is larger than the sum of its proper divisors (98561).

1225237 is an frugal number, since it uses more digits than its factorization.

1225237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 320 counting only the distinct ones).

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

The square root of 1225237 is about 1106.9042415674. The cubic root of 1225237 is about 107.0056479390.

The spelling of 1225237 in words is "one million, two hundred twenty-five thousand, two hundred thirty-seven".