1198930 has 16 divisors (see below), whose sum is σ = 2179224. Its totient is φ = 474880.

The previous prime is 1198927. The next prime is 1198949. The reversal of 1198930 is 398911.

It can be written as a sum of positive squares in 4 ways, for example, as 690561 + 508369 = 831^2 + 713^2 .

It is an Ulam number.

It is a plaindrome in base 12.

It is a zygodrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 1198892 and 1198901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600 + ... + 1660.

2^1198930 is an apocalyptic number.

1198930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1198930 is a deficient number, since it is larger than the sum of its proper divisors (980294).

1198930 is a wasteful number, since it uses less digits than its factorization.

1198930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 1198930 is about 1094.9566201453. The cubic root of 1198930 is about 106.2342629518.

The spelling of 1198930 in words is "one million, one hundred ninety-eight thousand, nine hundred thirty".