1197120838 has 8 divisors (see below), whose sum is σ = 1796173488. Its totient is φ = 598396344.

The previous prime is 1197120823. The next prime is 1197120839. The reversal of 1197120838 is 8380217911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1197120838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197120839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72706 + ... + 87637.

It is an arithmetic number, because the mean of its divisors is an integer number (224521686).

Almost surely, 2^1197120838 is an apocalyptic number.

1197120838 is a deficient number, since it is larger than the sum of its proper divisors (599052650).

1197120838 is a wasteful number, since it uses less digits than its factorization.

1197120838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164078.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 1197120838 is about 34599.4340705162. The cubic root of 1197120838 is about 1061.8080090773.

The spelling of 1197120838 in words is "one billion, one hundred ninety-seven million, one hundred twenty thousand, eight hundred thirty-eight".