402122411 has 8 divisors (see below), whose sum is σ = 405580080. Its totient is φ = 398678112.

The previous prime is 402122387. The next prime is 402122419. The reversal of 402122411 is 114221204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402122411 - 2¹⁰ = 402121387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402122411.

It is not an unprimeable number, because it can be changed into a prime (402122419) 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, 62501 + ... + 68633.

It is an arithmetic number, because the mean of its divisors is an integer number (50697510).

Almost surely, 2^402122411 is an apocalyptic number.

402122411 is a deficient number, since it is larger than the sum of its proper divisors (3457669).

402122411 is a wasteful number, since it uses less digits than its factorization.

402122411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6685.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 402122411 is about 20052.9900762954. The cubic root of 402122411 is about 738.1071731067.

Adding to 402122411 its reverse (114221204), we get a palindrome (516343615).

The spelling of 402122411 in words is "four hundred two million, one hundred twenty-two thousand, four hundred eleven".