1214623442 has 16 divisors (see below), whose sum is σ = 1898013600. Its totient is φ = 582454560.

The previous prime is 1214623439. The next prime is 1214623453. The reversal of 1214623442 is 2443264121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120692 + ... + 130367.

It is an arithmetic number, because the mean of its divisors is an integer number (118625850).

Almost surely, 2^1214623442 is an apocalyptic number.

1214623442 is a deficient number, since it is larger than the sum of its proper divisors (683390158).

1214623442 is a wasteful number, since it uses less digits than its factorization.

1214623442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251161.

The product of its digits is 9216, while the sum is 29.

The square root of 1214623442 is about 34851.4482052038. The cubic root of 1214623442 is about 1066.9577431971.

Adding to 1214623442 its reverse (2443264121), we get a palindrome (3657887563).

The spelling of 1214623442 in words is "one billion, two hundred fourteen million, six hundred twenty-three thousand, four hundred forty-two".