402122 has 8 divisors (see below), whose sum is σ = 689376. Its totient is φ = 172332.

The previous prime is 402107. The next prime is 402131. The reversal of 402122 is 221204.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14348 + ... + 14375.

It is an arithmetic number, because the mean of its divisors is an integer number (86172).

2⁴⁰²¹²² is an apocalyptic number.

402122 is a deficient number, since it is larger than the sum of its proper divisors (287254).

402122 is a wasteful number, since it uses less digits than its factorization.

402122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28732.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 402122 is about 634.1309013130. The cubic root of 402122 is about 73.8106921639.

Adding to 402122 its reverse (221204), we get a palindrome (623326).

The spelling of 402122 in words is "four hundred two thousand, one hundred twenty-two", and thus it is an iban number.