1254842456 has 32 divisors (see below), whose sum is σ = 2690688000. Its totient is φ = 537441696.

The previous prime is 1254842453. The next prime is 1254842587. The reversal of 1254842456 is 6542484521.

It is a super-2 number, since 2×1254842456² = 3149259178760223872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254842453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92135 + ... + 104873.

It is an arithmetic number, because the mean of its divisors is an integer number (84084000).

Almost surely, 2^1254842456 is an apocalyptic number.

It is an amenable number.

1254842456 is an abundant number, since it is smaller than the sum of its proper divisors (1435845544).

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

1254842456 is a wasteful number, since it uses less digits than its factorization.

1254842456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14511 (or 14507 counting only the distinct ones).

The product of its digits is 307200, while the sum is 41.

The square root of 1254842456 is about 35423.7555321284. The cubic root of 1254842456 is about 1078.6065866252.

The spelling of 1254842456 in words is "one billion, two hundred fifty-four million, eight hundred forty-two thousand, four hundred fifty-six".