1214725 has 6 divisors (see below), whose sum is σ = 1506290. Its totient is φ = 971760.

The previous prime is 1214711. The next prime is 1214729. The reversal of 1214725 is 5274121.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 131044 + 1083681 = 362^2 + 1041^2 .

It is not a de Polignac number, because 1214725 - 2¹¹ = 1212677 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1214696 and 1214705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24270 + ... + 24319.

2^1214725 is an apocalyptic number.

It is an amenable number.

1214725 is a deficient number, since it is larger than the sum of its proper divisors (291565).

1214725 is an equidigital number, since it uses as much as digits as its factorization.

1214725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48599 (or 48594 counting only the distinct ones).

The product of its digits is 560, while the sum is 22.

The square root of 1214725 is about 1102.1456346600. The cubic root of 1214725 is about 106.6987479457.

Adding to 1214725 its reverse (5274121), we get a palindrome (6488846).

The spelling of 1214725 in words is "one million, two hundred fourteen thousand, seven hundred twenty-five".