1242061 has 2 divisors, whose sum is σ = 1242062. Its totient is φ = 1242060.

The previous prime is 1242029. The next prime is 1242067. The reversal of 1242061 is 1602421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1155625 + 86436 = 1075^2 + 294^2 .

It is a cyclic number.

It is not a de Polignac number, because 1242061 - 2⁵ = 1242029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621030 + 621031.

It is an arithmetic number, because the mean of its divisors is an integer number (621031).

2^1242061 is an apocalyptic number.

It is an amenable number.

1242061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242061 is an equidigital number, since it uses as much as digits as its factorization.

1242061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1242061 is about 1114.4779046711. The cubic root of 1242061 is about 107.4931958917.

Adding to 1242061 its reverse (1602421), we get a palindrome (2844482).

The spelling of 1242061 in words is "one million, two hundred forty-two thousand, sixty-one".