406011101 has 4 divisors (see below), whose sum is σ = 416984412. Its totient is φ = 395037792.

The previous prime is 406011097. The next prime is 406011113. The reversal of 406011101 is 101110604.

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

It can be written as a sum of positive squares in 2 ways, for example, as 365383225 + 40627876 = 19115^2 + 6374^2 .

It is a cyclic number.

It is not a de Polignac number, because 406011101 - 2² = 406011097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406011131) 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, 5486600 + ... + 5486673.

It is an arithmetic number, because the mean of its divisors is an integer number (104246103).

Almost surely, 2^406011101 is an apocalyptic number.

It is an amenable number.

406011101 is a deficient number, since it is larger than the sum of its proper divisors (10973311).

406011101 is a wasteful number, since it uses less digits than its factorization.

406011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10973310.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 406011101 is about 20149.7171444167. The cubic root of 406011101 is about 740.4788117431.

Adding to 406011101 its reverse (101110604), we get a palindrome (507121705).

The spelling of 406011101 in words is "four hundred six million, eleven thousand, one hundred one".