1252016560 has 40 divisors (see below), whose sum is σ = 2919344400. Its totient is φ = 499360512.

The previous prime is 1252016537. The next prime is 1252016567. The reversal of 1252016560 is 656102521.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1252016567) 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, 5499 + ... + 50341.

It is an arithmetic number, because the mean of its divisors is an integer number (72983610).

Almost surely, 2^1252016560 is an apocalyptic number.

1252016560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252016560 is an abundant number, since it is smaller than the sum of its proper divisors (1667327840).

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

1252016560 is a wasteful number, since it uses less digits than its factorization.

1252016560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45205 (or 45199 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1252016560 is about 35383.8460317699. The cubic root of 1252016560 is about 1077.7963067003.

The spelling of 1252016560 in words is "one billion, two hundred fifty-two million, sixteen thousand, five hundred sixty".