1598122 has 4 divisors (see below), whose sum is σ = 2397186. Its totient is φ = 799060.

The previous prime is 1598111. The next prime is 1598131. The reversal of 1598122 is 2218951.

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

It can be written as a sum of positive squares in only one way, i.e., 1535121 + 63001 = 1239^2 + 251^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399529 + ... + 399532.

2^1598122 is an apocalyptic number.

1598122 is a deficient number, since it is larger than the sum of its proper divisors (799064).

1598122 is an equidigital number, since it uses as much as digits as its factorization.

1598122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799063.

The product of its digits is 1440, while the sum is 28.

The square root of 1598122 is about 1264.1685014269. The cubic root of 1598122 is about 116.9149307353.

It can be divided in two parts, 159 and 8122, that added together give a square (8281 = 91²).

The spelling of 1598122 in words is "one million, five hundred ninety-eight thousand, one hundred twenty-two".