1254985452 has 216 divisors, whose sum is σ = 3820536720. Its totient is φ = 346187520.

The previous prime is 1254985447. The next prime is 1254985471. The reversal of 1254985452 is 2545894521.

1254985452 is a `hidden beast` number, since 1 + 2 + 549 + 8 + 54 + 52 = 666.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1254985398 and 1254985407.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 11513574 + ... + 11513682.

It is an arithmetic number, because the mean of its divisors is an integer number (17687670).

Almost surely, 2^1254985452 is an apocalyptic number.

1254985452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1254985452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1910268360).

1254985452 is an abundant number, since it is smaller than the sum of its proper divisors (2565551268).

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

1254985452 is a wasteful number, since it uses less digits than its factorization.

1254985452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 289 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 1254985452 is about 35425.7738377018. The cubic root of 1254985452 is about 1078.6475560628.

The spelling of 1254985452 in words is "one billion, two hundred fifty-four million, nine hundred eighty-five thousand, four hundred fifty-two".