1229342 has 4 divisors (see below), whose sum is σ = 1844016. Its totient is φ = 614670.

The previous prime is 1229329. The next prime is 1229351. The reversal of 1229342 is 2439221.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1229342² = 3022563505928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307334 + ... + 307337.

It is an arithmetic number, because the mean of its divisors is an integer number (461004).

2^1229342 is an apocalyptic number.

1229342 is a deficient number, since it is larger than the sum of its proper divisors (614674).

1229342 is an equidigital number, since it uses as much as digits as its factorization.

1229342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614673.

The product of its digits is 864, while the sum is 23.

The square root of 1229342 is about 1108.7569616467. The cubic root of 1229342 is about 107.1250176436.

The spelling of 1229342 in words is "one million, two hundred twenty-nine thousand, three hundred forty-two".