1042113144 has 32 divisors (see below), whose sum is σ = 2695122000. Its totient is φ = 335392512.

The previous prime is 1042113131. The next prime is 1042113151. The reversal of 1042113144 is 4413112401.

It is a self number, because there is not a number n which added to its sum of digits gives 1042113144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747949 + ... + 749340.

Almost surely, 2^1042113144 is an apocalyptic number.

It is an amenable number.

1042113144 is an abundant number, since it is smaller than the sum of its proper divisors (1653008856).

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

1042113144 is a wasteful number, since it uses less digits than its factorization.

1042113144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497327 (or 1497323 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1042113144 is about 32281.7772744934. Note that the first 3 decimals coincide. The cubic root of 1042113144 is about 1013.8451420590.

Adding to 1042113144 its reverse (4413112401), we get a palindrome (5455225545).

The spelling of 1042113144 in words is "one billion, forty-two million, one hundred thirteen thousand, one hundred forty-four".