1252660160 has 112 divisors (see below), whose sum is σ = 3083234880. Its totient is φ = 484392960.

The previous prime is 1252660091. The next prime is 1252660223. The reversal of 1252660160 is 610662521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2853221 + ... + 2853659.

Almost surely, 2^1252660160 is an apocalyptic number.

1252660160 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 1252660160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1541617440).

1252660160 is an abundant number, since it is smaller than the sum of its proper divisors (1830574720).

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

1252660160 is a wasteful number, since it uses less digits than its factorization.

1252660160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1252660160 is about 35392.9394088708. The cubic root of 1252660160 is about 1077.9809557161.

The spelling of 1252660160 in words is "one billion, two hundred fifty-two million, six hundred sixty thousand, one hundred sixty".