400241122 has 16 divisors (see below), whose sum is σ = 622452600. Its totient is φ = 192787840.

The previous prime is 400241087. The next prime is 400241131. The reversal of 400241122 is 221142004.

It can be written as a sum of positive squares in 4 ways, for example, as 175271121 + 224970001 = 13239^2 + 14999^2 .

It is a junction number, because it is equal to n+sod(n) for n = 400241096 and 400241105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19254 + ... + 34222.

Almost surely, 2^400241122 is an apocalyptic number.

400241122 is a deficient number, since it is larger than the sum of its proper divisors (222211478).

400241122 is a wasteful number, since it uses less digits than its factorization.

400241122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15461.

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

The square root of 400241122 is about 20006.0271418390. The cubic root of 400241122 is about 736.9543201634.

Adding to 400241122 its reverse (221142004), we get a palindrome (621383126).

The spelling of 400241122 in words is "four hundred million, two hundred forty-one thousand, one hundred twenty-two".