1042721776104 has 64 divisors (see below), whose sum is σ = 2635878685440. Its totient is φ = 343703347200.

The previous prime is 1042721776091. The next prime is 1042721776111. The reversal of 1042721776104 is 4016771272401.

It is a happy number.

It is a super-2 number, since 2×1042721776104² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2609457 + ... + 2982399.

It is an arithmetic number, because the mean of its divisors is an integer number (41185604460).

Almost surely, 2^{1042721776104} is an apocalyptic number.

It is an amenable number.

1042721776104 is an abundant number, since it is smaller than the sum of its proper divisors (1593156909336).

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

1042721776104 is a wasteful number, since it uses less digits than its factorization.

1042721776104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374250 (or 374246 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 1042721776104 in words is "one trillion, forty-two billion, seven hundred twenty-one million, seven hundred seventy-six thousand, one hundred four".