1254521454 has 32 divisors (see below), whose sum is σ = 2599240704. Its totient is φ = 403237440.

The previous prime is 1254521449. The next prime is 1254521461. The reversal of 1254521454 is 4541254521.

It is a happy number.

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

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 40722 + ... + 64554.

It is an arithmetic number, because the mean of its divisors is an integer number (81226272).

Almost surely, 2^1254521454 is an apocalyptic number.

1254521454 is an abundant number, since it is smaller than the sum of its proper divisors (1344719250).

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

1254521454 is a wasteful number, since it uses less digits than its factorization.

1254521454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24152.

The product of its digits is 32000, while the sum is 33.

The square root of 1254521454 is about 35419.2243562730. The cubic root of 1254521454 is about 1078.5146057826.

Adding to 1254521454 its reverse (4541254521), we get a palindrome (5795775975).

The spelling of 1254521454 in words is "one billion, two hundred fifty-four million, five hundred twenty-one thousand, four hundred fifty-four".