1254242254 has 4 divisors (see below), whose sum is σ = 1881363384. Its totient is φ = 627121126.

The previous prime is 1254242207. The next prime is 1254242267. The reversal of 1254242254 is 4522424521.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313560562 + ... + 313560565.

It is an arithmetic number, because the mean of its divisors is an integer number (470340846).

Almost surely, 2^1254242254 is an apocalyptic number.

1254242254 is a deficient number, since it is larger than the sum of its proper divisors (627121130).

1254242254 is an equidigital number, since it uses as much as digits as its factorization.

1254242254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627121129.

The product of its digits is 25600, while the sum is 31.

The square root of 1254242254 is about 35415.2827745311. The cubic root of 1254242254 is about 1078.4345902467.

Adding to 1254242254 its reverse (4522424521), we get a palindrome (5776666775).

The spelling of 1254242254 in words is "one billion, two hundred fifty-four million, two hundred forty-two thousand, two hundred fifty-four".