401205102 has 16 divisors (see below), whose sum is σ = 844642560. Its totient is φ = 126696312.

The previous prime is 401205067. The next prime is 401205109. The reversal of 401205102 is 201502104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401205109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1759558 + ... + 1759785.

It is an arithmetic number, because the mean of its divisors is an integer number (52790160).

Almost surely, 2^401205102 is an apocalyptic number.

401205102 is an abundant number, since it is smaller than the sum of its proper divisors (443437458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401205102 is a wasteful number, since it uses less digits than its factorization.

401205102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519367.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 401205102 is about 20030.1048923864. The cubic root of 401205102 is about 737.5454968389.

Adding to 401205102 its reverse (201502104), we get a palindrome (602707206).

The spelling of 401205102 in words is "four hundred one million, two hundred five thousand, one hundred two".