1198970 has 16 divisors (see below), whose sum is σ = 2204928. Its totient is φ = 469200.

The previous prime is 1198949. The next prime is 1198973. The reversal of 1198970 is 798911.

It is a self number, because there is not a number n which added to its sum of digits gives 1198970.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806 + ... + 1745.

It is an arithmetic number, because the mean of its divisors is an integer number (137808).

2^1198970 is an apocalyptic number.

1198970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1198970 is a deficient number, since it is larger than the sum of its proper divisors (1005958).

1198970 is a wasteful number, since it uses less digits than its factorization.

1198970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 1198970 is about 1094.9748855567. The cubic root of 1198970 is about 106.2354443728.

The spelling of 1198970 in words is "one million, one hundred ninety-eight thousand, nine hundred seventy".