169401126 has 16 divisors (see below), whose sum is σ = 340833024. Its totient is φ = 56128584.

The previous prime is 169401121. The next prime is 169401149. The reversal of 169401126 is 621104961.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 169401093 and 169401102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169401121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83530 + ... + 85533.

It is an arithmetic number, because the mean of its divisors is an integer number (21302064).

Almost surely, 2^169401126 is an apocalyptic number.

169401126 is an abundant number, since it is smaller than the sum of its proper divisors (171431898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169401126 is a wasteful number, since it uses less digits than its factorization.

169401126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169235.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 169401126 is about 13015.4187792787. The cubic root of 169401126 is about 553.3145588862.

The spelling of 169401126 in words is "one hundred sixty-nine million, four hundred one thousand, one hundred twenty-six".