1219704042 has 16 divisors (see below), whose sum is σ = 2440656000. Its totient is φ = 406360032.

The previous prime is 1219704037. The next prime is 1219704047. The reversal of 1219704042 is 2404079121.

It is an interprime number because it is at equal distance from previous prime (1219704037) and next prime (1219704047).

It is a super-2 number, since 2×1219704042² = 2975355900142275528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1219704047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39042 + ... + 62957.

It is an arithmetic number, because the mean of its divisors is an integer number (152541000).

Almost surely, 2^1219704042 is an apocalyptic number.

1219704042 is an abundant number, since it is smaller than the sum of its proper divisors (1220951958).

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

1219704042 is a wasteful number, since it uses less digits than its factorization.

1219704042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103997.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1219704042 is about 34924.2615097299. The cubic root of 1219704042 is about 1068.4433188108.

The spelling of 1219704042 in words is "one billion, two hundred nineteen million, seven hundred four thousand, forty-two".