1250000050 has 72 divisors (see below), whose sum is σ = 2604928140. Its totient is φ = 445536000.

The previous prime is 1250000047. The next prime is 1250000051. The reversal of 1250000050 is 500000521.

It can be written as a sum of positive squares in 18 ways, for example, as 770784169 + 479215881 = 27763^2 + 21891^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (1250000051) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 242500 + ... + 247600.

Almost surely, 2^1250000050 is an apocalyptic number.

1250000050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1250000050 is an abundant number, since it is smaller than the sum of its proper divisors (1354928090).

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

1250000050 is a wasteful number, since it uses less digits than its factorization.

1250000050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168 (or 5150 counting only the distinct ones).

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

The square root of 1250000050 is about 35355.3397664342. The cubic root of 1250000050 is about 1077.2173593788.

Adding to 1250000050 its reverse (500000521), we get a palindrome (1750000571).

It can be divided in two parts, 12500000 and 50, that multiplied together give a square (625000000 = 25000²).

The spelling of 1250000050 in words is "one billion, two hundred fifty million, fifty", and thus it is an aban number.