1195131616 has 48 divisors (see below), whose sum is σ = 2830584960. Its totient is φ = 485239680.

The previous prime is 1195131611. The next prime is 1195131617. The reversal of 1195131616 is 6161315911.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1195131611) by changing a digit.

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, 136150 + ... + 144661.

It is an arithmetic number, because the mean of its divisors is an integer number (58970520).

Almost surely, 2^1195131616 is an apocalyptic number.

1195131616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1195131616 is an abundant number, since it is smaller than the sum of its proper divisors (1635453344).

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

1195131616 is a wasteful number, since it uses less digits than its factorization.

1195131616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280847 (or 280839 counting only the distinct ones).

The product of its digits is 4860, while the sum is 34.

The square root of 1195131616 is about 34570.6756659456. The cubic root of 1195131616 is about 1061.2195575254.

The spelling of 1195131616 in words is "one billion, one hundred ninety-five million, one hundred thirty-one thousand, six hundred sixteen".