1402102042 has 8 divisors (see below), whose sum is σ = 2294348832. Its totient is φ = 637319100.

The previous prime is 1402101991. The next prime is 1402102043. The reversal of 1402102042 is 2402012041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1402102043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31865934 + ... + 31865977.

It is an arithmetic number, because the mean of its divisors is an integer number (286793604).

Almost surely, 2^1402102042 is an apocalyptic number.

1402102042 is a deficient number, since it is larger than the sum of its proper divisors (892246790).

1402102042 is a wasteful number, since it uses less digits than its factorization.

1402102042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63731924.

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

The square root of 1402102042 is about 37444.6530495343. The cubic root of 1402102042 is about 1119.2485504655.

Adding to 1402102042 its reverse (2402012041), we get a palindrome (3804114083).

Subtracting 1402102042 from its reverse (2402012041), we obtain a palindrome (999909999).

The spelling of 1402102042 in words is "one billion, four hundred two million, one hundred two thousand, forty-two".