1242049 has 4 divisors (see below), whose sum is σ = 1307440. Its totient is φ = 1176660.

The previous prime is 1242029. The next prime is 1242061. The reversal of 1242049 is 9402421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9402421 = 7 ⋅1343203.

It is a cyclic number.

It is not a de Polignac number, because 1242049 - 2⁷ = 1241921 is a prime.

It is a Duffinian number.

1242049 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1242029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32667 + ... + 32704.

It is an arithmetic number, because the mean of its divisors is an integer number (326860).

2^1242049 is an apocalyptic number.

1242049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1242049 is a deficient number, since it is larger than the sum of its proper divisors (65391).

1242049 is an equidigital number, since it uses as much as digits as its factorization.

1242049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65390.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1242049 is about 1114.4725209712. The cubic root of 1242049 is about 107.4928497137.

The spelling of 1242049 in words is "one million, two hundred forty-two thousand, forty-nine".