1122640471 has 2 divisors, whose sum is σ = 1122640472. Its totient is φ = 1122640470.

The previous prime is 1122640459. The next prime is 1122640529. The reversal of 1122640471 is 1740462211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122640471 - 2²⁹ = 585769559 is a prime.

It is a super-3 number, since 3×1122640471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122640451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561320235 + 561320236.

It is an arithmetic number, because the mean of its divisors is an integer number (561320236).

Almost surely, 2^1122640471 is an apocalyptic number.

1122640471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122640471 is an equidigital number, since it uses as much as digits as its factorization.

1122640471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1122640471 is about 33505.8274185253. The cubic root of 1122640471 is about 1039.3142888002.

The spelling of 1122640471 in words is "one billion, one hundred twenty-two million, six hundred forty thousand, four hundred seventy-one".