1402012042 has 16 divisors (see below), whose sum is σ = 2123345664. Its totient is φ = 694252000.

The previous prime is 1402012039. The next prime is 1402012043. The reversal of 1402012042 is 2402102041.

It is not an unprimeable number, because it can be changed into a prime (1402012043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131367 + ... + 141637.

It is an arithmetic number, because the mean of its divisors is an integer number (132709104).

Almost surely, 2^1402012042 is an apocalyptic number.

1402012042 is a deficient number, since it is larger than the sum of its proper divisors (721333622).

1402012042 is a wasteful number, since it uses less digits than its factorization.

1402012042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10925.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1402012042 is about 37443.4512565282. The cubic root of 1402012042 is about 1119.2246020124.

Adding to 1402012042 its reverse (2402102041), we get a palindrome (3804114083).

It can be divided in two parts, 14020 and 12042, that added together give a palindrome (26062).

The spelling of 1402012042 in words is "one billion, four hundred two million, twelve thousand, forty-two".