1250050000 has 120 divisors (see below), whose sum is σ = 3161797632. Its totient is φ = 477840000.

The previous prime is 1250049991. The next prime is 1250050007. The reversal of 1250050000 is 500521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250050007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1149457 + ... + 1150543.

It is a vampire number, since it can be written as 25001 ⋅ 50000 (with its own digits).

Almost surely, 2^1250050000 is an apocalyptic number.

1250050000 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 1250050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580898816).

1250050000 is an abundant number, since it is smaller than the sum of its proper divisors (1911747632).

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

1250050000 is an equidigital number, since it uses as much as digits as its factorization.

1250050000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 1250050000 is about 35356.0461590376. The cubic root of 1250050000 is about 1077.2317077224.

Adding to 1250050000 its reverse (500521), we get a palindrome (1250550521).

It can be divided in two parts, 12500 and 50000, that multiplied together give a square (625000000 = 25000²).

The spelling of 1250050000 in words is "one billion, two hundred fifty million, fifty thousand".