1242119 has 2 divisors, whose sum is σ = 1242120. Its totient is φ = 1242118.

The previous prime is 1242107. The next prime is 1242121. The reversal of 1242119 is 9112421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1242119 - 2⁴ = 1242103 is a prime.

It is a super-2 number, since 2×1242119² = 3085719220322, which contains 22 as substring.

Together with 1242121, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1242119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621059 + 621060.

It is an arithmetic number, because the mean of its divisors is an integer number (621060).

2^1242119 is an apocalyptic number.

1242119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242119 is an equidigital number, since it uses as much as digits as its factorization.

1242119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 20.

The square root of 1242119 is about 1114.5039255202. The cubic root of 1242119 is about 107.4948690538.

The spelling of 1242119 in words is "one million, two hundred forty-two thousand, one hundred nineteen".