1225061 has 2 divisors, whose sum is σ = 1225062. Its totient is φ = 1225060.

The previous prime is 1225019. The next prime is 1225067. The reversal of 1225061 is 1605221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 776161 + 448900 = 881^2 + 670^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225061 - 2¹⁴ = 1208677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612530 + 612531.

It is an arithmetic number, because the mean of its divisors is an integer number (612531).

2^1225061 is an apocalyptic number.

It is an amenable number.

1225061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225061 is an equidigital number, since it uses as much as digits as its factorization.

1225061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1225061 is about 1106.8247377069. The cubic root of 1225061 is about 107.0005240607. Note that the first 3 decimals are identical.

The spelling of 1225061 in words is "one million, two hundred twenty-five thousand, sixty-one".