401242102 has 8 divisors (see below), whose sum is σ = 614668896. Its totient is φ = 196352472.

The previous prime is 401242099. The next prime is 401242103. The reversal of 401242102 is 201242104.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401242103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2134173 + ... + 2134360.

It is an arithmetic number, because the mean of its divisors is an integer number (76833612).

Almost surely, 2^401242102 is an apocalyptic number.

401242102 is a deficient number, since it is larger than the sum of its proper divisors (213426794).

401242102 is a wasteful number, since it uses less digits than its factorization.

401242102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268582.

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

The square root of 401242102 is about 20031.0284808344. The cubic root of 401242102 is about 737.5681688209.

Adding to 401242102 its reverse (201242104), we get a palindrome (602484206).

The spelling of 401242102 in words is "four hundred one million, two hundred forty-two thousand, one hundred two".