1242302461 has 2 divisors, whose sum is σ = 1242302462. Its totient is φ = 1242302460.

The previous prime is 1242302389. The next prime is 1242302483. The reversal of 1242302461 is 1642032421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1239392025 + 2910436 = 35205^2 + 1706^2 .

It is a cyclic number.

It is not a de Polignac number, because 1242302461 - 2⁷ = 1242302333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242302561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621151230 + 621151231.

It is an arithmetic number, because the mean of its divisors is an integer number (621151231).

Almost surely, 2^1242302461 is an apocalyptic number.

It is an amenable number.

1242302461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242302461 is an equidigital number, since it uses as much as digits as its factorization.

1242302461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1242302461 is about 35246.3113105471. The cubic root of 1242302461 is about 1075.0016112469.

Adding to 1242302461 its reverse (1642032421), we get a palindrome (2884334882).

The spelling of 1242302461 in words is "one billion, two hundred forty-two million, three hundred two thousand, four hundred sixty-one".