1180996361 has 4 divisors (see below), whose sum is σ = 1191831300. Its totient is φ = 1170161424.

The previous prime is 1180996351. The next prime is 1180996373. The reversal of 1180996361 is 1636990811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1636990811 = 29 ⋅56447959.

It can be written as a sum of positive squares in 2 ways, for example, as 1013785600 + 167210761 = 31840^2 + 12931^2 .

It is a cyclic number.

It is not a de Polignac number, because 1180996361 - 2¹⁰ = 1180995337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1180996301) 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, 5417306 + ... + 5417523.

It is an arithmetic number, because the mean of its divisors is an integer number (297957825).

Almost surely, 2^1180996361 is an apocalyptic number.

It is an amenable number.

1180996361 is a deficient number, since it is larger than the sum of its proper divisors (10834939).

1180996361 is a wasteful number, since it uses less digits than its factorization.

1180996361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10834938.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 1180996361 is about 34365.6276095752. The cubic root of 1180996361 is about 1057.0191442963.

The spelling of 1180996361 in words is "one billion, one hundred eighty million, nine hundred ninety-six thousand, three hundred sixty-one".