1173121976047 has 8 divisors (see below), whose sum is σ = 1343606537216. Its totient is φ = 1003361341752.

The previous prime is 1173121976041. The next prime is 1173121976099. The reversal of 1173121976047 is 7406791213711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1173121976047 - 2⁷ = 1173121975919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1173121976041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180978243 + ... + 180984724.

It is an arithmetic number, because the mean of its divisors is an integer number (167950817152).

Almost surely, 2^{1173121976047} is an apocalyptic number.

1173121976047 is a deficient number, since it is larger than the sum of its proper divisors (170484561169).

1173121976047 is an equidigital number, since it uses as much as digits as its factorization.

1173121976047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361963437.

The product of its (nonzero) digits is 444528, while the sum is 49.

The spelling of 1173121976047 in words is "one trillion, one hundred seventy-three billion, one hundred twenty-one million, nine hundred seventy-six thousand, forty-seven".