1254423258 has 48 divisors (see below), whose sum is σ = 2967528096. Its totient is φ = 379804320.

The previous prime is 1254423257. The next prime is 1254423259. The reversal of 1254423258 is 8523244521.

It is an interprime number because it is at equal distance from previous prime (1254423257) and next prime (1254423259).

It is a super-2 number, since 2×1254423258² = 3147155420422669128, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1254423257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339316 + ... + 342992.

It is an arithmetic number, because the mean of its divisors is an integer number (61823502).

Almost surely, 2^1254423258 is an apocalyptic number.

1254423258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1254423258 is an abundant number, since it is smaller than the sum of its proper divisors (1713104838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1254423258 is a wasteful number, since it uses less digits than its factorization.

1254423258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419 (or 5416 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 1254423258 is about 35417.8381327828. The cubic root of 1254423258 is about 1078.4864652824.

Adding to 1254423258 its reverse (8523244521), we get a palindrome (9777667779).

The spelling of 1254423258 in words is "one billion, two hundred fifty-four million, four hundred twenty-three thousand, two hundred fifty-eight".