1540542124 has 48 divisors (see below), whose sum is σ = 3011613696. Its totient is φ = 683523200.

The previous prime is 1540542103. The next prime is 1540542127. The reversal of 1540542124 is 4212450451.

It is a junction number, because it is equal to n+sod(n) for n = 1540542092 and 1540542101.

It is not an unprimeable number, because it can be changed into a prime (1540542127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039464 + ... + 1040944.

It is an arithmetic number, because the mean of its divisors is an integer number (62741952).

Almost surely, 2^1540542124 is an apocalyptic number.

It is an amenable number.

1540542124 is a deficient number, since it is larger than the sum of its proper divisors (1471071572).

1540542124 is a wasteful number, since it uses less digits than its factorization.

1540542124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046 (or 2044 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1540542124 is about 39249.7404322627. The cubic root of 1540542124 is about 1154.9358419663.

Adding to 1540542124 its reverse (4212450451), we get a palindrome (5752992575).

The spelling of 1540542124 in words is "one billion, five hundred forty million, five hundred forty-two thousand, one hundred twenty-four".