1542721114 has 16 divisors (see below), whose sum is σ = 2525282496. Its totient is φ = 701006400.

The previous prime is 1542721111. The next prime is 1542721121. The reversal of 1542721114 is 4111272451.

It is not an unprimeable number, because it can be changed into a prime (1542721111) 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 7 ways as a sum of consecutive naturals, for example, 69634 + ... + 89074.

It is an arithmetic number, because the mean of its divisors is an integer number (157830156).

Almost surely, 2^1542721114 is an apocalyptic number.

1542721114 is a deficient number, since it is larger than the sum of its proper divisors (982561382).

1542721114 is a wasteful number, since it uses less digits than its factorization.

1542721114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23061.

The product of its digits is 2240, while the sum is 28.

The square root of 1542721114 is about 39277.4886417144. The cubic root of 1542721114 is about 1155.4801109884.

Adding to 1542721114 its reverse (4111272451), we get a palindrome (5653993565).

The spelling of 1542721114 in words is "one billion, five hundred forty-two million, seven hundred twenty-one thousand, one hundred fourteen".