1198403 has 2 divisors, whose sum is σ = 1198404. Its totient is φ = 1198402.

The previous prime is 1198399. The next prime is 1198411. The reversal of 1198403 is 3048911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1198403 - 2² = 1198399 is a prime.

It is a super-3 number, since 3×1198403³ = 5163330412198190481, which contains 333 as substring.

It is equal to p₉₂₈₂₅ and since 1198403 and 92825 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1198433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599201 + 599202.

It is an arithmetic number, because the mean of its divisors is an integer number (599202).

2^1198403 is an apocalyptic number.

1198403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1198403 is an equidigital number, since it uses as much as digits as its factorization.

1198403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1198403 is about 1094.7159448916. The cubic root of 1198403 is about 106.2186952758.

The spelling of 1198403 in words is "one million, one hundred ninety-eight thousand, four hundred three".