1197709390 has 16 divisors (see below), whose sum is σ = 2158679808. Its totient is φ = 478460896.

The previous prime is 1197709379. The next prime is 1197709411. The reversal of 1197709390 is 939077911.

1197709390 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1197709390.

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, 69742 + ... + 85201.

It is an arithmetic number, because the mean of its divisors is an integer number (134917488).

Almost surely, 2^1197709390 is an apocalyptic number.

1197709390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1197709390 is a deficient number, since it is larger than the sum of its proper divisors (960970418).

1197709390 is a wasteful number, since it uses less digits than its factorization.

1197709390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155723.

The product of its (nonzero) digits is 107163, while the sum is 46.

The square root of 1197709390 is about 34607.9382512163. The cubic root of 1197709390 is about 1061.9819895206.

The spelling of 1197709390 in words is "one billion, one hundred ninety-seven million, seven hundred nine thousand, three hundred ninety".