1042120512 has 112 divisors (see below), whose sum is σ = 3224987200. Its totient is φ = 329080320.

The previous prime is 1042120507. The next prime is 1042120549. The reversal of 1042120512 is 2150212401.

It is a super-2 number, since 2×1042120512² = 2172030323062284288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16962 + ... + 48702.

Almost surely, 2^1042120512 is an apocalyptic number.

1042120512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042120512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612493600).

1042120512 is an abundant number, since it is smaller than the sum of its proper divisors (2182866688).

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

1042120512 is a wasteful number, since it uses less digits than its factorization.

1042120512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31781 (or 31765 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1042120512 is about 32281.8913944025. The cubic root of 1042120512 is about 1013.8475314328.

Adding to 1042120512 its reverse (2150212401), we get a palindrome (3192332913).

The spelling of 1042120512 in words is "one billion, forty-two million, one hundred twenty thousand, five hundred twelve".