1197685340 has 24 divisors (see below), whose sum is σ = 2518716480. Its totient is φ = 478392768.

The previous prime is 1197685331. The next prime is 1197685429. The reversal of 1197685340 is 435867911.

It is a junction number, because it is equal to n+sod(n) for n = 1197685291 and 1197685300.

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, 28052 + ... + 56411.

It is an arithmetic number, because the mean of its divisors is an integer number (104946520).

Almost surely, 2^1197685340 is an apocalyptic number.

1197685340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1197685340 is an abundant number, since it is smaller than the sum of its proper divisors (1321031140).

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

1197685340 is a wasteful number, since it uses less digits than its factorization.

1197685340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85181 (or 85179 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 1197685340 is about 34607.5907858377. The cubic root of 1197685340 is about 1061.9748812749.

The spelling of 1197685340 in words is "one billion, one hundred ninety-seven million, six hundred eighty-five thousand, three hundred forty".