1181941604 has 12 divisors (see below), whose sum is σ = 2118846828. Its totient is φ = 576556800.

The previous prime is 1181941589. The next prime is 1181941637. The reversal of 1181941604 is 4061491811.

It can be written as a sum of positive squares in 2 ways, for example, as 516198400 + 665743204 = 22720^2 + 25802^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3603317 + ... + 3603644.

It is an arithmetic number, because the mean of its divisors is an integer number (176570569).

Almost surely, 2^1181941604 is an apocalyptic number.

It is an amenable number.

1181941604 is a deficient number, since it is larger than the sum of its proper divisors (936905224).

1181941604 is a wasteful number, since it uses less digits than its factorization.

1181941604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7207006 (or 7207004 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 1181941604 is about 34379.3775976238. The cubic root of 1181941604 is about 1057.3010738984.

The spelling of 1181941604 in words is "one billion, one hundred eighty-one million, nine hundred forty-one thousand, six hundred four".