1240442124 has 12 divisors (see below), whose sum is σ = 2894364984. Its totient is φ = 413480704.

The previous prime is 1240442123. The next prime is 1240442149. The reversal of 1240442124 is 4212440421.

1240442124 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1240442094 and 1240442103.

It is not an unprimeable number, because it can be changed into a prime (1240442123) 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, 51685077 + ... + 51685100.

It is an arithmetic number, because the mean of its divisors is an integer number (241197082).

Almost surely, 2^1240442124 is an apocalyptic number.

It is an amenable number.

1240442124 is an abundant number, since it is smaller than the sum of its proper divisors (1653922860).

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

1240442124 is a wasteful number, since it uses less digits than its factorization.

1240442124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103370184 (or 103370182 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1240442124 is about 35219.9109027834. The cubic root of 1240442124 is about 1074.4647413550.

Adding to 1240442124 its reverse (4212440421), we get a palindrome (5452882545).

The spelling of 1240442124 in words is "one billion, two hundred forty million, four hundred forty-two thousand, one hundred twenty-four".