1542005124 has 72 divisors (see below), whose sum is σ = 3991532160. Its totient is φ = 462939840.

The previous prime is 1542005117. The next prime is 1542005147. The reversal of 1542005124 is 4215002451.

It is a junction number, because it is equal to n+sod(n) for n = 1542005094 and 1542005103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153397 + ... + 163139.

Almost surely, 2^1542005124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542005124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1995766080).

1542005124 is an abundant number, since it is smaller than the sum of its proper divisors (2449527036).

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

1542005124 is a wasteful number, since it uses less digits than its factorization.

1542005124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9881 (or 9868 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1542005124 is about 39268.3730755426. The cubic root of 1542005124 is about 1155.3013272758.

Adding to 1542005124 its reverse (4215002451), we get a palindrome (5757007575).

The spelling of 1542005124 in words is "one billion, five hundred forty-two million, five thousand, one hundred twenty-four".