1197105940 has 24 divisors (see below), whose sum is σ = 2515453920. Its totient is φ = 478550688.

The previous prime is 1197105883. The next prime is 1197105953. The reversal of 1197105940 is 495017911.

It is a self number, because there is not a number n which added to its sum of digits gives 1197105940.

It is a congruent number.

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, 17091 + ... + 51829.

It is an arithmetic number, because the mean of its divisors is an integer number (104810580).

Almost surely, 2^1197105940 is an apocalyptic number.

1197105940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1197105940 is an abundant number, since it is smaller than the sum of its proper divisors (1318347980).

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

1197105940 is a wasteful number, since it uses less digits than its factorization.

1197105940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36471 (or 36469 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 37.

The square root of 1197105940 is about 34599.2187773077. The cubic root of 1197105940 is about 1061.8036043754.

The spelling of 1197105940 in words is "one billion, one hundred ninety-seven million, one hundred five thousand, nine hundred forty".