1225342 has 4 divisors (see below), whose sum is σ = 1838016. Its totient is φ = 612670.

The previous prime is 1225331. The next prime is 1225361. The reversal of 1225342 is 2435221.

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

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, 306334 + ... + 306337.

It is an arithmetic number, because the mean of its divisors is an integer number (459504).

2^1225342 is an apocalyptic number.

1225342 is a deficient number, since it is larger than the sum of its proper divisors (612674).

1225342 is an equidigital number, since it uses as much as digits as its factorization.

1225342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612673.

The product of its digits is 480, while the sum is 19.

The square root of 1225342 is about 1106.9516701284. The cubic root of 1225342 is about 107.0087045645.

The spelling of 1225342 in words is "one million, two hundred twenty-five thousand, three hundred forty-two".