1242969 has 32 divisors (see below), whose sum is σ = 2123520. Its totient is φ = 628992.

The previous prime is 1242959. The next prime is 1242977. The reversal of 1242969 is 9692421.

It is not a de Polignac number, because 1242969 - 2⁵ = 1242937 is a prime.

It is a super-2 number, since 2×1242969² = 3089943869922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242929) 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 in 31 ways as a sum of consecutive naturals, for example, 7839 + ... + 7995.

It is an arithmetic number, because the mean of its divisors is an integer number (66360).

2^1242969 is an apocalyptic number.

It is an amenable number.

1242969 is a deficient number, since it is larger than the sum of its proper divisors (880551).

1242969 is a wasteful number, since it uses less digits than its factorization.

1242969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209.

The product of its digits is 7776, while the sum is 33.

The square root of 1242969 is about 1114.8851958834. The cubic root of 1242969 is about 107.5193835608.

It can be divided in two parts, 1242 and 969, that added together give a triangular number (2211 = T₆₆).

The spelling of 1242969 in words is "one million, two hundred forty-two thousand, nine hundred sixty-nine".