1042120344 has 64 divisors (see below), whose sum is σ = 2675773440. Its totient is φ = 338083200.

The previous prime is 1042120337. The next prime is 1042120369. The reversal of 1042120344 is 4430212401.

It is a super-3 number, since 3×1042120344³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1042120344.

It is a congruent number.

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, 158319 + ... + 164769.

It is an arithmetic number, because the mean of its divisors is an integer number (41808960).

Almost surely, 2^1042120344 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 1042120344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1337886720).

1042120344 is an abundant number, since it is smaller than the sum of its proper divisors (1633653096).

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

1042120344 is a wasteful number, since it uses less digits than its factorization.

1042120344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6640 (or 6636 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1042120344 is about 32281.8887923244. Note that the first 3 decimals coincide. The cubic root of 1042120344 is about 1013.8474769521.

Adding to 1042120344 its reverse (4430212401), we get a palindrome (5472332745).

The spelling of 1042120344 in words is "one billion, forty-two million, one hundred twenty thousand, three hundred forty-four".