1197047180429 has 4 divisors (see below), whose sum is σ = 1197182893500. Its totient is φ = 1196911467360.

The previous prime is 1197047180423. The next prime is 1197047180431. The reversal of 1197047180429 is 9240817407911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 330742310404 + 866304870025 = 575102^2 + 930755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1197047180429 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 (1197047180423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67843304 + ... + 67860945.

It is an arithmetic number, because the mean of its divisors is an integer number (299295723375).

Almost surely, 2^{1197047180429} is an apocalyptic number.

It is an amenable number.

1197047180429 is a deficient number, since it is larger than the sum of its proper divisors (135713071).

1197047180429 is an equidigital number, since it uses as much as digits as its factorization.

1197047180429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135713070.

The product of its (nonzero) digits is 1016064, while the sum is 53.

The spelling of 1197047180429 in words is "one trillion, one hundred ninety-seven billion, forty-seven million, one hundred eighty thousand, four hundred twenty-nine".