1131479029 has 2 divisors, whose sum is σ = 1131479030. Its totient is φ = 1131479028.

The previous prime is 1131479017. The next prime is 1131479059. The reversal of 1131479029 is 9209741311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 876278404 + 255200625 = 29602^2 + 15975^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131479029 - 2¹¹ = 1131476981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131479059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565739514 + 565739515.

It is an arithmetic number, because the mean of its divisors is an integer number (565739515).

Almost surely, 2^1131479029 is an apocalyptic number.

It is an amenable number.

1131479029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131479029 is an equidigital number, since it uses as much as digits as its factorization.

1131479029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 1131479029 is about 33637.4646636752. The cubic root of 1131479029 is about 1042.0346721270.

The spelling of 1131479029 in words is "one billion, one hundred thirty-one million, four hundred seventy-nine thousand, twenty-nine".