1051223471 has 2 divisors, whose sum is σ = 1051223472. Its totient is φ = 1051223470.

The previous prime is 1051223449. The next prime is 1051223483. The reversal of 1051223471 is 1743221501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051223471 is a prime.

It is a super-3 number, since 3×1051223471³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1051223471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051223401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525611735 + 525611736.

It is an arithmetic number, because the mean of its divisors is an integer number (525611736).

Almost surely, 2^1051223471 is an apocalyptic number.

1051223471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051223471 is an equidigital number, since it uses as much as digits as its factorization.

1051223471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1051223471 is about 32422.5765632530. The cubic root of 1051223471 is about 1016.7909754776.

Adding to 1051223471 its reverse (1743221501), we get a palindrome (2794444972).

The spelling of 1051223471 in words is "one billion, fifty-one million, two hundred twenty-three thousand, four hundred seventy-one".