1198072 has 8 divisors (see below), whose sum is σ = 2246400. Its totient is φ = 599032.

The previous prime is 1198069. The next prime is 1198073. The reversal of 1198072 is 2708911.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1198072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198073) 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 as a sum of consecutive naturals, namely, 74872 + ... + 74887.

It is an arithmetic number, because the mean of its divisors is an integer number (280800).

2^1198072 is an apocalyptic number.

It is an amenable number.

1198072 is a deficient number, since it is larger than the sum of its proper divisors (1048328).

1198072 is a wasteful number, since it uses less digits than its factorization.

1198072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149765 (or 149761 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 1198072 is about 1094.5647536807. The cubic root of 1198072 is about 106.2089151418.

The spelling of 1198072 in words is "one million, one hundred ninety-eight thousand, seventy-two".