1242959 has 2 divisors, whose sum is σ = 1242960. Its totient is φ = 1242958.

The previous prime is 1242947. The next prime is 1242977. The reversal of 1242959 is 9592421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1242959 - 2¹² = 1238863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621479 + 621480.

It is an arithmetic number, because the mean of its divisors is an integer number (621480).

2^1242959 is an apocalyptic number.

1242959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242959 is an equidigital number, since it uses as much as digits as its factorization.

1242959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 1242959 is about 1114.8807111077. The cubic root of 1242959 is about 107.5190952198.

The spelling of 1242959 in words is "one million, two hundred forty-two thousand, nine hundred fifty-nine".