1252065500 has 48 divisors (see below), whose sum is σ = 3125164224. Its totient is φ = 429278400.

The previous prime is 1252065499. The next prime is 1252065583. The reversal of 1252065500 is 55602521.

It is a self number, because there is not a number n which added to its sum of digits gives 1252065500.

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 15 ways as a sum of consecutive naturals, for example, 175367 + ... + 182366.

It is an arithmetic number, because the mean of its divisors is an integer number (65107588).

Almost surely, 2^1252065500 is an apocalyptic number.

1252065500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252065500 is an abundant number, since it is smaller than the sum of its proper divisors (1873098724).

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

1252065500 is a wasteful number, since it uses less digits than its factorization.

1252065500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357759 (or 357747 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1252065500 is about 35384.5375835265. The cubic root of 1252065500 is about 1077.8103498224.

The spelling of 1252065500 in words is "one billion, two hundred fifty-two million, sixty-five thousand, five hundred".