1131474061 has 2 divisors, whose sum is σ = 1131474062. Its totient is φ = 1131474060.

The previous prime is 1131474059. The next prime is 1131474107. The reversal of 1131474061 is 1604741311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 664092900 + 467381161 = 25770^2 + 21619^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131474061 - 2¹ = 1131474059 is a prime.

Together with 1131474059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131474041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565737030 + 565737031.

It is an arithmetic number, because the mean of its divisors is an integer number (565737031).

Almost surely, 2^1131474061 is an apocalyptic number.

It is an amenable number.

1131474061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131474061 is an equidigital number, since it uses as much as digits as its factorization.

1131474061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1131474061 is about 33637.3908173628. The cubic root of 1131474061 is about 1042.0331470330.

The spelling of 1131474061 in words is "one billion, one hundred thirty-one million, four hundred seventy-four thousand, sixty-one".