1144124042520 has 32 divisors (see below), whose sum is σ = 3432372127920. Its totient is φ = 305099744640.

The previous prime is 1144124042519. The next prime is 1144124042521. The reversal of 1144124042520 is 252404214411.

It is an interprime number because it is at equal distance from previous prime (1144124042519) and next prime (1144124042521).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144124042521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4767183391 + ... + 4767183630.

Almost surely, 2^{1144124042520} is an apocalyptic number.

1144124042520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144124042520 is an abundant number, since it is smaller than the sum of its proper divisors (2288248085400).

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

1144124042520 is a wasteful number, since it uses less digits than its factorization.

1144124042520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9534367035 (or 9534367031 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 1144124042520 its reverse (252404214411), we get a palindrome (1396528256931).

The spelling of 1144124042520 in words is "one trillion, one hundred forty-four billion, one hundred twenty-four million, forty-two thousand, five hundred twenty".