1254315520 has 80 divisors (see below), whose sum is σ = 3025150128. Its totient is φ = 498769920.

The previous prime is 1254315497. The next prime is 1254315553. The reversal of 1254315520 is 255134521.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462007 + ... + 464713.

Almost surely, 2^1254315520 is an apocalyptic number.

1254315520 is a gapful number since it is divisible by the number (10) 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 1254315520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1512575064).

1254315520 is an abundant number, since it is smaller than the sum of its proper divisors (1770834608).

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

1254315520 is an equidigital number, since it uses as much as digits as its factorization.

1254315520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911 (or 2895 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1254315520 is about 35416.3171433733. The cubic root of 1254315520 is about 1078.4555885958.

The spelling of 1254315520 in words is "one billion, two hundred fifty-four million, three hundred fifteen thousand, five hundred twenty".