1198257 has 8 divisors (see below), whose sum is σ = 1610400. Its totient is φ = 792480.

The previous prime is 1198247. The next prime is 1198259. The reversal of 1198257 is 7528911.

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

It is not a de Polignac number, because 1198257 - 2¹² = 1194161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1198259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132 + ... + 1917.

It is an arithmetic number, because the mean of its divisors is an integer number (201300).

2^1198257 is an apocalyptic number.

It is an amenable number.

1198257 is a deficient number, since it is larger than the sum of its proper divisors (412143).

1198257 is a wasteful number, since it uses less digits than its factorization.

1198257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183.

The product of its digits is 5040, while the sum is 33.

The square root of 1198257 is about 1094.6492588953. The cubic root of 1198257 is about 106.2143816019.

The spelling of 1198257 in words is "one million, one hundred ninety-eight thousand, two hundred fifty-seven".