124240220144 has 20 divisors (see below), whose sum is σ = 240755290824. Its totient is φ = 62109822528.

The previous prime is 124240220113. The next prime is 124240220149. The reversal of 124240220144 is 441022042421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124240220149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542867 + ... + 737010.

Almost surely, 2^124240220144 is an apocalyptic number.

It is an amenable number.

124240220144 is a deficient number, since it is larger than the sum of its proper divisors (116515070680).

124240220144 is a wasteful number, since it uses less digits than its factorization.

124240220144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285952 (or 1285946 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 124240220144 its reverse (441022042421), we get a palindrome (565262262565).

The spelling of 124240220144 in words is "one hundred twenty-four billion, two hundred forty million, two hundred twenty thousand, one hundred forty-four".