1253122471 has 2 divisors, whose sum is σ = 1253122472. Its totient is φ = 1253122470.

The previous prime is 1253122441. The next prime is 1253122477. The reversal of 1253122471 is 1742213521.

It is a strong prime.

It is an emirp because it is prime and its reverse (1742213521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1253122471 - 2²¹ = 1251025319 is a prime.

It is a super-3 number, since 3×1253122471³ (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 (1253122477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626561235 + 626561236.

It is an arithmetic number, because the mean of its divisors is an integer number (626561236).

Almost surely, 2^1253122471 is an apocalyptic number.

1253122471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253122471 is an equidigital number, since it uses as much as digits as its factorization.

1253122471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 28.

The square root of 1253122471 is about 35399.4699254099. The cubic root of 1253122471 is about 1078.1135538389.

Adding to 1253122471 its reverse (1742213521), we get a palindrome (2995335992).

The spelling of 1253122471 in words is "one billion, two hundred fifty-three million, one hundred twenty-two thousand, four hundred seventy-one".