1180631142 has 48 divisors (see below), whose sum is σ = 2597474880. Its totient is φ = 387504000.

The previous prime is 1180631131. The next prime is 1180631143. The reversal of 1180631142 is 2411360811.

It is a happy number.

1180631142 is a `hidden beast` number, since 1 + 18 + 0 + 631 + 14 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180631143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 654642 + ... + 656442.

It is an arithmetic number, because the mean of its divisors is an integer number (54114060).

Almost surely, 2^1180631142 is an apocalyptic number.

1180631142 is an abundant number, since it is smaller than the sum of its proper divisors (1416843738).

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

1180631142 is a wasteful number, since it uses less digits than its factorization.

1180631142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2346 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1180631142 is about 34360.3134735410. The cubic root of 1180631142 is about 1056.9101732363.

Adding to 1180631142 its reverse (2411360811), we get a palindrome (3591991953).

The spelling of 1180631142 in words is "one billion, one hundred eighty million, six hundred thirty-one thousand, one hundred forty-two".