1197647140 has 24 divisors (see below), whose sum is σ = 2647431360. Its totient is φ = 453845088.

The previous prime is 1197647123. The next prime is 1197647153. The reversal of 1197647140 is 417467911.

It is a junction number, because it is equal to n+sod(n) for n = 1197647093 and 1197647102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1575472 + ... + 1576231.

It is an arithmetic number, because the mean of its divisors is an integer number (110309640).

Almost surely, 2^1197647140 is an apocalyptic number.

1197647140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1197647140 is an abundant number, since it is smaller than the sum of its proper divisors (1449784220).

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

1197647140 is a wasteful number, since it uses less digits than its factorization.

1197647140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151731 (or 3151729 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 1197647140 is about 34607.0388793956. The cubic root of 1197647140 is about 1061.9635906433.

The spelling of 1197647140 in words is "one billion, one hundred ninety-seven million, six hundred forty-seven thousand, one hundred forty".