1181883642 has 16 divisors (see below), whose sum is σ = 2368707840. Its totient is φ = 393137792.

The previous prime is 1181883629. The next prime is 1181883643. The reversal of 1181883642 is 2463881811.

1181883642 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1181883594 and 1181883603.

It is not an unprimeable number, because it can be changed into a prime (1181883643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202743 + ... + 208490.

It is an arithmetic number, because the mean of its divisors is an integer number (148044240).

Almost surely, 2^1181883642 is an apocalyptic number.

1181883642 is an abundant number, since it is smaller than the sum of its proper divisors (1186824198).

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

1181883642 is a wasteful number, since it uses less digits than its factorization.

1181883642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411717.

The product of its digits is 73728, while the sum is 42.

The square root of 1181883642 is about 34378.5346110040. The cubic root of 1181883642 is about 1057.2837903918.

The spelling of 1181883642 in words is "one billion, one hundred eighty-one million, eight hundred eighty-three thousand, six hundred forty-two".