1197116870 has 16 divisors (see below), whose sum is σ = 2213049168. Its totient is φ = 465904800.

The previous prime is 1197116849. The next prime is 1197116873. The reversal of 1197116870 is 786117911.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197116873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1617356 + ... + 1618095.

It is an arithmetic number, because the mean of its divisors is an integer number (138315573).

Almost surely, 2^1197116870 is an apocalyptic number.

1197116870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1197116870 is a deficient number, since it is larger than the sum of its proper divisors (1015932298).

1197116870 is a wasteful number, since it uses less digits than its factorization.

1197116870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3235495.

The product of its (nonzero) digits is 21168, while the sum is 41.

The square root of 1197116870 is about 34599.3767284904. The cubic root of 1197116870 is about 1061.8068359129.

The spelling of 1197116870 in words is "one billion, one hundred ninety-seven million, one hundred sixteen thousand, eight hundred seventy".