1505125000 has 56 divisors (see below), whose sum is σ = 3527884530. Its totient is φ = 602000000.

The previous prime is 1505124997. The next prime is 1505125003. The reversal of 1505125000 is 5215051.

It is an interprime number because it is at equal distance from previous prime (1505124997) and next prime (1505125003).

It can be written as a sum of positive squares in 7 ways, for example, as 699814116 + 805310884 = 26454^2 + 28378^2 .

It is not an unprimeable number, because it can be changed into a prime (1505125003) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 118980 + ... + 131020.

Almost surely, 2^1505125000 is an apocalyptic number.

1505125000 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 1505125000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1763942265).

1505125000 is an abundant number, since it is smaller than the sum of its proper divisors (2022759530).

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

1505125000 is an frugal number, since it uses more digits than its factorization.

1505125000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12077 (or 12048 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 1505125000 is about 38795.9405092852. The cubic root of 1505125000 is about 1146.0164629249.

The spelling of 1505125000 in words is "one billion, five hundred five million, one hundred twenty-five thousand".