1198210140 has 72 divisors (see below), whose sum is σ = 3751832448. Its totient is φ = 309214080.

The previous prime is 1198210127. The next prime is 1198210141. The reversal of 1198210140 is 410128911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198210141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101787 + ... + 112946.

It is an arithmetic number, because the mean of its divisors is an integer number (52108784).

Almost surely, 2^1198210140 is an apocalyptic number.

1198210140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1198210140 is an abundant number, since it is smaller than the sum of its proper divisors (2553622308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1198210140 is a wasteful number, since it uses less digits than its factorization.

1198210140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214779 (or 214774 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 1198210140 is about 34615.1721070400. The cubic root of 1198210140 is about 1062.1299701552.

It can be divided in two parts, 11982 and 10140, that added together give a palindrome (22122).

The spelling of 1198210140 in words is "one billion, one hundred ninety-eight million, two hundred ten thousand, one hundred forty".