1131602841 has 36 divisors (see below), whose sum is σ = 1764627228. Its totient is φ = 696364032.

The previous prime is 1131602839. The next prime is 1131602897. The reversal of 1131602841 is 1482061311.

It is a happy number.

1131602841 is a `hidden beast` number, since 1 + 13 + 1 + 602 + 8 + 41 = 666.

1131602841 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 41216400 + 1090386441 = 6420^2 + 33021^2 .

It is not a de Polignac number, because 1131602841 - 2¹ = 1131602839 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1131602821) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 428461 + ... + 431093.

It is an arithmetic number, because the mean of its divisors is an integer number (49017423).

Almost surely, 2^1131602841 is an apocalyptic number.

It is an amenable number.

1131602841 is a deficient number, since it is larger than the sum of its proper divisors (633024387).

1131602841 is a wasteful number, since it uses less digits than its factorization.

1131602841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762 (or 2706 counting only the distinct ones).

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

The square root of 1131602841 is about 33639.3050017387. The cubic root of 1131602841 is about 1042.0726789270.

The spelling of 1131602841 in words is "one billion, one hundred thirty-one million, six hundred two thousand, eight hundred forty-one".