1178214131 has 6 divisors (see below), whose sum is σ = 1187604132. Its totient is φ = 1168830260.

The previous prime is 1178214113. The next prime is 1178214143. The reversal of 1178214131 is 1314128711.

It is not a de Polignac number, because 1178214131 - 2⁶ = 1178214067 is a prime.

It is a super-2 number, since 2×1178214131² = 2776377076976170322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1178214094 and 1178214103.

It is not an unprimeable number, because it can be changed into a prime (1178214161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 391370 + ... + 394368.

It is an arithmetic number, because the mean of its divisors is an integer number (197934022).

Almost surely, 2^1178214131 is an apocalyptic number.

1178214131 is a deficient number, since it is larger than the sum of its proper divisors (9390001).

1178214131 is an frugal number, since it uses more digits than its factorization.

1178214131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6129 (or 3130 counting only the distinct ones).

The product of its digits is 1344, while the sum is 29.

The square root of 1178214131 is about 34325.1239036365. The cubic root of 1178214131 is about 1056.1884381519.

The spelling of 1178214131 in words is "one billion, one hundred seventy-eight million, two hundred fourteen thousand, one hundred thirty-one".