1219234938 has 32 divisors (see below), whose sum is σ = 2481245952. Its totient is φ = 399297600.

The previous prime is 1219234931. The next prime is 1219234963. The reversal of 1219234938 is 8394329121.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1219234938.

It is not an unprimeable number, because it can be changed into a prime (1219234931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519648 + ... + 521988.

It is an arithmetic number, because the mean of its divisors is an integer number (77538936).

Almost surely, 2^1219234938 is an apocalyptic number.

1219234938 is an abundant number, since it is smaller than the sum of its proper divisors (1262011014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1219234938 is a wasteful number, since it uses less digits than its factorization.

1219234938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830.

The product of its digits is 93312, while the sum is 42.

The square root of 1219234938 is about 34917.5448449630. The cubic root of 1219234938 is about 1068.3063251120.

The spelling of 1219234938 in words is "one billion, two hundred nineteen million, two hundred thirty-four thousand, nine hundred thirty-eight".