405124120101 has 16 divisors (see below), whose sum is σ = 547655270400. Its totient is φ = 266346011568.

The previous prime is 405124120099. The next prime is 405124120111. The reversal of 405124120101 is 101021421504.

It is not a de Polignac number, because 405124120101 - 2¹ = 405124120099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405124120111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819861 + ... + 1217546.

It is an arithmetic number, because the mean of its divisors is an integer number (34228454400).

Almost surely, 2^405124120101 is an apocalyptic number.

It is an amenable number.

405124120101 is a deficient number, since it is larger than the sum of its proper divisors (142531150299).

405124120101 is a wasteful number, since it uses less digits than its factorization.

405124120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038328.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 405124120101 its reverse (101021421504), we get a palindrome (506145541605).

The spelling of 405124120101 in words is "four hundred five billion, one hundred twenty-four million, one hundred twenty thousand, one hundred one".