1242003422 has 8 divisors (see below), whose sum is σ = 2032369272. Its totient is φ = 564547000.

The previous prime is 1242003409. The next prime is 1242003449. The reversal of 1242003422 is 2243002421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1242003394 and 1242003403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28227329 + ... + 28227372.

It is an arithmetic number, because the mean of its divisors is an integer number (254046159).

Almost surely, 2^1242003422 is an apocalyptic number.

1242003422 is a deficient number, since it is larger than the sum of its proper divisors (790365850).

1242003422 is a wasteful number, since it uses less digits than its factorization.

1242003422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56454714.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1242003422 is about 35242.0689233762. The cubic root of 1242003422 is about 1074.9153485172.

Adding to 1242003422 its reverse (2243002421), we get a palindrome (3485005843).

The spelling of 1242003422 in words is "one billion, two hundred forty-two million, three thousand, four hundred twenty-two".