1197969740 has 48 divisors (see below), whose sum is σ = 2748936960. Its totient is φ = 434911680.

The previous prime is 1197969739. The next prime is 1197969749. The reversal of 1197969740 is 479697911.

It is not an unprimeable number, because it can be changed into a prime (1197969749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140849 + ... + 149111.

It is an arithmetic number, because the mean of its divisors is an integer number (57269520).

Almost surely, 2^1197969740 is an apocalyptic number.

1197969740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1197969740 is an abundant number, since it is smaller than the sum of its proper divisors (1550967220).

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

1197969740 is a wasteful number, since it uses less digits than its factorization.

1197969740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8942 (or 8940 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 53.

The square root of 1197969740 is about 34611.6994670877. The cubic root of 1197969740 is about 1062.0589327763.

The spelling of 1197969740 in words is "one billion, one hundred ninety-seven million, nine hundred sixty-nine thousand, seven hundred forty".