1254625280 has 52 divisors (see below), whose sum is σ = 3010782252. Its totient is φ = 501841920.

The previous prime is 1254625249. The next prime is 1254625283. The reversal of 1254625280 is 825264521.

It can be written as a sum of positive squares in 2 ways, for example, as 342102016 + 912523264 = 18496^2 + 30208^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1254625280.

It is not an unprimeable number, because it can be changed into a prime (1254625283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10151 + ... + 51110.

Almost surely, 2^1254625280 is an apocalyptic number.

1254625280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254625280 is an abundant number, since it is smaller than the sum of its proper divisors (1756156972).

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

1254625280 is an frugal number, since it uses more digits than its factorization.

1254625280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61290 (or 61268 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 1254625280 is about 35420.6899989258. The cubic root of 1254625280 is about 1078.5443581018.

The spelling of 1254625280 in words is "one billion, two hundred fifty-four million, six hundred twenty-five thousand, two hundred eighty".