1542123424 has 24 divisors (see below), whose sum is σ = 3054246048. Its totient is φ = 766441920.

The previous prime is 1542123403. The next prime is 1542123509. The reversal of 1542123424 is 4243212451.

It is a junction number, because it is equal to n+sod(n) for n = 1542123392 and 1542123401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138942 + ... + 149629.

It is an arithmetic number, because the mean of its divisors is an integer number (127260252).

Almost surely, 2^1542123424 is an apocalyptic number.

It is an amenable number.

1542123424 is a deficient number, since it is larger than the sum of its proper divisors (1512122624).

1542123424 is a wasteful number, since it uses less digits than its factorization.

1542123424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288748 (or 288740 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 1542123424 is about 39269.8793479175. The cubic root of 1542123424 is about 1155.3308707686.

Adding to 1542123424 its reverse (4243212451), we get a palindrome (5785335875).

The spelling of 1542123424 in words is "one billion, five hundred forty-two million, one hundred twenty-three thousand, four hundred twenty-four".