1197995742 has 24 divisors (see below), whose sum is σ = 2685164040. Its totient is φ = 385561680.

The previous prime is 1197995723. The next prime is 1197995749. The reversal of 1197995742 is 2475997911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197995749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1146984 + ... + 1148027.

It is an arithmetic number, because the mean of its divisors is an integer number (111881835).

Almost surely, 2^1197995742 is an apocalyptic number.

1197995742 is an abundant number, since it is smaller than the sum of its proper divisors (1487168298).

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

1197995742 is a wasteful number, since it uses less digits than its factorization.

1197995742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295048 (or 2295045 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 54.

The square root of 1197995742 is about 34612.0750894829. The cubic root of 1197995742 is about 1062.0666167369.

The spelling of 1197995742 in words is "one billion, one hundred ninety-seven million, nine hundred ninety-five thousand, seven hundred forty-two".