402141002 has 4 divisors (see below), whose sum is σ = 603211506. Its totient is φ = 201070500.

The previous prime is 402140983. The next prime is 402141011. The reversal of 402141002 is 200141204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 211673401 + 190467601 = 14549^2 + 13801^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 100535249 + ... + 100535252.

Almost surely, 2^402141002 is an apocalyptic number.

402141002 is a deficient number, since it is larger than the sum of its proper divisors (201070504).

402141002 is a wasteful number, since it uses less digits than its factorization.

402141002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201070503.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 402141002 is about 20053.4536177687. The cubic root of 402141002 is about 738.1185477020.

Adding to 402141002 its reverse (200141204), we get a palindrome (602282206).

The spelling of 402141002 in words is "four hundred two million, one hundred forty-one thousand, two".