1201598 has 16 divisors (see below), whose sum is σ = 1921920. Its totient is φ = 561816.

The previous prime is 1201583. The next prime is 1201601. The reversal of 1201598 is 8951021.

It is a happy number.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3761 + ... + 4067.

It is an arithmetic number, because the mean of its divisors is an integer number (120120).

2^1201598 is an apocalyptic number.

1201598 is a deficient number, since it is larger than the sum of its proper divisors (720322).

1201598 is a wasteful number, since it uses less digits than its factorization.

1201598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1201598 is about 1096.1742562202. The cubic root of 1201598 is about 106.3130062285.

The spelling of 1201598 in words is "one million, two hundred one thousand, five hundred ninety-eight".