1542124161 has 12 divisors (see below), whose sum is σ = 2255710080. Its totient is φ = 1015068600.

The previous prime is 1542124159. The next prime is 1542124183. The reversal of 1542124161 is 1614212451.

It is not a de Polignac number, because 1542124161 - 2¹ = 1542124159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1542124121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1083765 + ... + 1085186.

It is an arithmetic number, because the mean of its divisors is an integer number (187975840).

Almost surely, 2^1542124161 is an apocalyptic number.

It is an amenable number.

1542124161 is a deficient number, since it is larger than the sum of its proper divisors (713585919).

1542124161 is a wasteful number, since it uses less digits than its factorization.

1542124161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169036 (or 2169033 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1542124161 is about 39269.8887316987. Note that the first 3 decimals coincide. The cubic root of 1542124161 is about 1155.3310548176.

The spelling of 1542124161 in words is "one billion, five hundred forty-two million, one hundred twenty-four thousand, one hundred sixty-one".