1121870479 has 2 divisors, whose sum is σ = 1121870480. Its totient is φ = 1121870478.

The previous prime is 1121870467. The next prime is 1121870509. The reversal of 1121870479 is 9740781211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121870479 - 2²¹ = 1119773327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121870279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560935239 + 560935240.

It is an arithmetic number, because the mean of its divisors is an integer number (560935240).

Almost surely, 2^1121870479 is an apocalyptic number.

1121870479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121870479 is an equidigital number, since it uses as much as digits as its factorization.

1121870479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 1121870479 is about 33494.3350284791. The cubic root of 1121870479 is about 1039.0766209274.

The spelling of 1121870479 in words is "one billion, one hundred twenty-one million, eight hundred seventy thousand, four hundred seventy-nine".