1195279496920 has 64 divisors (see below), whose sum is σ = 2705701475520. Its totient is φ = 475211595264.

The previous prime is 1195279496909. The next prime is 1195279496927. The reversal of 1195279496920 is 296949725911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1195279496927) 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, 26044714 + ... + 26090566.

It is an arithmetic number, because the mean of its divisors is an integer number (42276585555).

Almost surely, 2^{1195279496920} is an apocalyptic number.

1195279496920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1195279496920 is an abundant number, since it is smaller than the sum of its proper divisors (1510421978600).

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

1195279496920 is a wasteful number, since it uses less digits than its factorization.

1195279496920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49804 (or 49800 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 64.

The spelling of 1195279496920 in words is "one trillion, one hundred ninety-five billion, two hundred seventy-nine million, four hundred ninety-six thousand, nine hundred twenty".