1254124253 has 4 divisors (see below), whose sum is σ = 1254200508. Its totient is φ = 1254048000.

The previous prime is 1254124219. The next prime is 1254124259. The reversal of 1254124253 is 3524214521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3524214521 = 1097 ⋅3212593.

It can be written as a sum of positive squares in 2 ways, for example, as 366263044 + 887861209 = 19138^2 + 29797^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254124253 - 2¹⁰ = 1254123229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254124259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2126 + ... + 50127.

It is an arithmetic number, because the mean of its divisors is an integer number (313550127).

Almost surely, 2^1254124253 is an apocalyptic number.

It is an amenable number.

1254124253 is a deficient number, since it is larger than the sum of its proper divisors (76255).

1254124253 is an equidigital number, since it uses as much as digits as its factorization.

1254124253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76254.

The product of its digits is 9600, while the sum is 29.

The square root of 1254124253 is about 35413.6167737779. The cubic root of 1254124253 is about 1078.4007689359.

Adding to 1254124253 its reverse (3524214521), we get a palindrome (4778338774).

The spelling of 1254124253 in words is "one billion, two hundred fifty-four million, one hundred twenty-four thousand, two hundred fifty-three".