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401122041 = 3133707347
BaseRepresentation
bin10111111010001…
…010001011111001
31000221210002222220
4113322022023321
51310141401131
6103445234253
712640324005
oct2772121371
91027702886
10401122041
11196471a21
12b2402989
1365145228
143b3b7705
1525335e96
hex17e8a2f9

401122041 has 4 divisors (see below), whose sum is σ = 534829392. Its totient is φ = 267414692.

The previous prime is 401122039. The next prime is 401122081. The reversal of 401122041 is 140221104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401122041 - 21 = 401122039 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 401122041.

It is not an unprimeable number, because it can be changed into a prime (401122081) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 66853671 + ... + 66853676.

It is an arithmetic number, because the mean of its divisors is an integer number (133707348).

Almost surely, 2401122041 is an apocalyptic number.

It is an amenable number.

401122041 is a deficient number, since it is larger than the sum of its proper divisors (133707351).

401122041 is a wasteful number, since it uses less digits than its factorization.

401122041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133707350.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 401122041 is about 20028.0313810419. The cubic root of 401122041 is about 737.4945956130.

Adding to 401122041 its reverse (140221104), we get a palindrome (541343145).

The spelling of 401122041 in words is "four hundred one million, one hundred twenty-two thousand, forty-one".

Divisors: 1 3 133707347 401122041