1045198 has 24 divisors (see below), whose sum is σ = 1972656. Its totient is φ = 406560.

The previous prime is 1045193. The next prime is 1045199. The reversal of 1045198 is 8915401.

It is a happy number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1386 + ... + 2002.

It is an arithmetic number, because the mean of its divisors is an integer number (82194).

2^1045198 is an apocalyptic number.

1045198 is a deficient number, since it is larger than the sum of its proper divisors (927458).

1045198 is a wasteful number, since it uses less digits than its factorization.

1045198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 637 counting only the distinct ones).

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

The square root of 1045198 is about 1022.3492553917. The cubic root of 1045198 is about 101.4844548981.

The spelling of 1045198 in words is "one million, forty-five thousand, one hundred ninety-eight".