690122 has 8 divisors (see below), whose sum is σ = 1068672. Its totient is φ = 333900.

The previous prime is 690119. The next prime is 690127. The reversal of 690122 is 221096.

690122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 690094 and 690103.

It is not an unprimeable number, because it can be changed into a prime (690127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5504 + ... + 5627.

It is an arithmetic number, because the mean of its divisors is an integer number (133584).

2⁶⁹⁰¹²² is an apocalyptic number.

690122 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

690122 is a deficient number, since it is larger than the sum of its proper divisors (378550).

690122 is a wasteful number, since it uses less digits than its factorization.

690122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11164.

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

The square root of 690122 is about 830.7358184164. The cubic root of 690122 is about 88.3707669356.

The spelling of 690122 in words is "six hundred ninety thousand, one hundred twenty-two".