1042120104 has 48 divisors (see below), whose sum is σ = 2698288320. Its totient is φ = 335388480.

The previous prime is 1042120073. The next prime is 1042120129. The reversal of 1042120104 is 4010212401.

It is a super-2 number, since 2×1042120104² = 2172028622321941632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5632 + ... + 45999.

It is an arithmetic number, because the mean of its divisors is an integer number (56214340).

Almost surely, 2^1042120104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042120104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349144160).

1042120104 is an abundant number, since it is smaller than the sum of its proper divisors (1656168216).

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

1042120104 is a wasteful number, since it uses less digits than its factorization.

1042120104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51698 (or 51665 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1042120104 is about 32281.8850750696. The cubic root of 1042120104 is about 1013.8473991225.

Adding to 1042120104 its reverse (4010212401), we get a palindrome (5052332505).

The spelling of 1042120104 in words is "one billion, forty-two million, one hundred twenty thousand, one hundred four".