1224142046 has 8 divisors (see below), whose sum is σ = 1839865104. Its totient is φ = 610853680.

The previous prime is 1224142039. The next prime is 1224142057. The reversal of 1224142046 is 6402414221.

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

It is a super-2 number, since 2×1224142046² = 2997047497570132232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607415 + ... + 609426.

It is an arithmetic number, because the mean of its divisors is an integer number (229983138).

Almost surely, 2^1224142046 is an apocalyptic number.

1224142046 is a deficient number, since it is larger than the sum of its proper divisors (615723058).

1224142046 is a wasteful number, since it uses less digits than its factorization.

1224142046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217346.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 1224142046 is about 34987.7413675133. The cubic root of 1224142046 is about 1069.7376262968.

Adding to 1224142046 its reverse (6402414221), we get a palindrome (7626556267).

The spelling of 1224142046 in words is "one billion, two hundred twenty-four million, one hundred forty-two thousand, forty-six".