4001042102 has 4 divisors (see below), whose sum is σ = 6001563156. Its totient is φ = 2000521050.

The previous prime is 4001042099. The next prime is 4001042117. The reversal of 4001042102 is 2012401004.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000260524 + ... + 1000260527.

It is an arithmetic number, because the mean of its divisors is an integer number (1500390789).

Almost surely, 2^4001042102 is an apocalyptic number.

4001042102 is a deficient number, since it is larger than the sum of its proper divisors (2000521054).

4001042102 is a wasteful number, since it uses less digits than its factorization.

4001042102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000521053.

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

The square root of 4001042102 is about 63253.7912065356. The cubic root of 4001042102 is about 1587.5388928161.

Adding to 4001042102 its reverse (2012401004), we get a palindrome (6013443106).

The spelling of 4001042102 in words is "four billion, one million, forty-two thousand, one hundred two".