1254352520 has 32 divisors (see below), whose sum is σ = 2858025600. Its totient is φ = 495388608.

The previous prime is 1254352513. The next prime is 1254352529. The reversal of 1254352520 is 252534521.

It is not an unprimeable number, because it can be changed into a prime (1254352529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195314 + ... + 201633.

It is an arithmetic number, because the mean of its divisors is an integer number (89313300).

Almost surely, 2^1254352520 is an apocalyptic number.

1254352520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254352520 is an abundant number, since it is smaller than the sum of its proper divisors (1603673080).

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

1254352520 is a wasteful number, since it uses less digits than its factorization.

1254352520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397037 (or 397033 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1254352520 is about 35416.8394976175. The cubic root of 1254352520 is about 1078.4661926434.

The spelling of 1254352520 in words is "one billion, two hundred fifty-four million, three hundred fifty-two thousand, five hundred twenty".