1254505450 has 48 divisors (see below), whose sum is σ = 2569415904. Its totient is φ = 451899200.

The previous prime is 1254505423. The next prime is 1254505451. The reversal of 1254505450 is 545054521.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (1254505451) 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, 48192 + ... + 69508.

It is an arithmetic number, because the mean of its divisors is an integer number (53529498).

Almost surely, 2^1254505450 is an apocalyptic number.

1254505450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1254505450 is an abundant number, since it is smaller than the sum of its proper divisors (1314910454).

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

1254505450 is a wasteful number, since it uses less digits than its factorization.

1254505450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21447 (or 21442 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 1254505450 is about 35418.9984330444. The cubic root of 1254505450 is about 1078.5100195395.

Adding to 1254505450 its reverse (545054521), we get a palindrome (1799559971).

The spelling of 1254505450 in words is "one billion, two hundred fifty-four million, five hundred five thousand, four hundred fifty".