1402012402 has 24 divisors (see below), whose sum is σ = 2447683056. Its totient is φ = 600539688.

The previous prime is 1402012387. The next prime is 1402012421. The reversal of 1402012402 is 2042102041.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 307713 + ... + 312235.

It is an arithmetic number, because the mean of its divisors is an integer number (101986794).

Almost surely, 2^1402012402 is an apocalyptic number.

1402012402 is a deficient number, since it is larger than the sum of its proper divisors (1045670654).

1402012402 is a wasteful number, since it uses less digits than its factorization.

1402012402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7702 (or 7695 counting only the distinct ones).

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

The square root of 1402012402 is about 37443.4560637770. The cubic root of 1402012402 is about 1119.2246978082.

Adding to 1402012402 its reverse (2042102041), we get a palindrome (3444114443).

The spelling of 1402012402 in words is "one billion, four hundred two million, twelve thousand, four hundred two".