1219025 has 6 divisors (see below), whose sum is σ = 1511622. Its totient is φ = 975200.

The previous prime is 1219003. The next prime is 1219061. The reversal of 1219025 is 5209121.

It can be written as a sum of positive squares in 3 ways, for example, as 341056 + 877969 = 584^2 + 937^2 .

It is not a de Polignac number, because 1219025 - 2¹⁸ = 956881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1218988 and 1219006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24356 + ... + 24405.

It is an arithmetic number, because the mean of its divisors is an integer number (251937).

2^1219025 is an apocalyptic number.

It is an amenable number.

1219025 is a deficient number, since it is larger than the sum of its proper divisors (292597).

1219025 is an equidigital number, since it uses as much as digits as its factorization.

1219025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48771 (or 48766 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1219025 is about 1104.0946517396. The cubic root of 1219025 is about 106.8245004973.

It can be divided in two parts, 121 and 9025, that multiplied together give a square (1092025 = 1045²).

The spelling of 1219025 in words is "one million, two hundred nineteen thousand, twenty-five".