1250542500 has 60 divisors (see below), whose sum is σ = 3646270320. Its totient is φ = 333476000.

The previous prime is 1250542481. The next prime is 1250542519. The reversal of 1250542500 is 52450521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1250542481) and next prime (1250542519).

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 75870 + ... + 90869.

It is an arithmetic number, because the mean of its divisors is an integer number (60771172).

Almost surely, 2^1250542500 is an apocalyptic number.

1250542500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250542500 is an abundant number, since it is smaller than the sum of its proper divisors (2395727820).

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

1250542500 is a wasteful number, since it uses less digits than its factorization.

1250542500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166766 (or 166749 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 1250542500 is about 35363.0103356601. The cubic root of 1250542500 is about 1077.3731599195.

The spelling of 1250542500 in words is "one billion, two hundred fifty million, five hundred forty-two thousand, five hundred".