1144123042 has 16 divisors (see below), whose sum is σ = 1723567032. Its totient is φ = 569606400.

The previous prime is 1144123037. The next prime is 1144123093. The reversal of 1144123042 is 2403214411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 710275801 + 433847241 = 26651^2 + 20829^2 .

It is a super-3 number, since 3×1144123042³ (a number of 28 digits) contains 333 as substring.

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, 895308 + ... + 896584.

Almost surely, 2^1144123042 is an apocalyptic number.

1144123042 is a deficient number, since it is larger than the sum of its proper divisors (579443990).

1144123042 is a wasteful number, since it uses less digits than its factorization.

1144123042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1144123042 is about 33824.8879081661. The cubic root of 1144123042 is about 1045.9018007051.

Adding to 1144123042 its reverse (2403214411), we get a palindrome (3547337453).

The spelling of 1144123042 in words is "one billion, one hundred forty-four million, one hundred twenty-three thousand, forty-two".