1012140144 has 80 divisors (see below), whose sum is σ = 2917670400. Its totient is φ = 335934144.

The previous prime is 1012140119. The next prime is 1012140197. The reversal of 1012140144 is 4410412101.

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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98347 + ... + 108149.

It is an arithmetic number, because the mean of its divisors is an integer number (36470880).

Almost surely, 2^1012140144 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 1012140144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1458835200).

1012140144 is an abundant number, since it is smaller than the sum of its proper divisors (1905530256).

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

1012140144 is a wasteful number, since it uses less digits than its factorization.

1012140144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10059 (or 10047 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1012140144 is about 31814.1500593682. The cubic root of 1012140144 is about 1004.0304483287.

Adding to 1012140144 its reverse (4410412101), we get a palindrome (5422552245).

The spelling of 1012140144 in words is "one billion, twelve million, one hundred forty thousand, one hundred forty-four".