290126 has 4 divisors (see below), whose sum is σ = 435192. Its totient is φ = 145062.

The previous prime is 290119. The next prime is 290137. The reversal of 290126 is 621092.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 290098 and 290107.

It is a congruent number.

It is an unprimeable number.

290126 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72530 + ... + 72533.

It is an arithmetic number, because the mean of its divisors is an integer number (108798).

2²⁹⁰¹²⁶ is an apocalyptic number.

290126 is a deficient number, since it is larger than the sum of its proper divisors (145066).

290126 is a wasteful number, since it uses less digits than its factorization.

290126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145065.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 290126 is about 538.6334560719. The cubic root of 290126 is about 66.2006443836.

The spelling of 290126 in words is "two hundred ninety thousand, one hundred twenty-six".