1275250050 has 36 divisors (see below), whose sum is σ = 3426173010. Its totient is φ = 340066560.

The previous prime is 1275250049. The next prime is 1275250051. The reversal of 1275250050 is 500525721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1275250049) and next prime (1275250051).

It can be written as a sum of positive squares in 3 ways, for example, as 1144536561 + 130713489 = 33831^2 + 11433^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1275249996 and 1275250023.

It is not an unprimeable number, because it can be changed into a prime (1275250051) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1416495 + ... + 1417394.

Almost surely, 2^1275250050 is an apocalyptic number.

1275250050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1275250050 is an abundant number, since it is smaller than the sum of its proper divisors (2150922960).

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

1275250050 is a wasteful number, since it uses less digits than its factorization.

1275250050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833907 (or 2833899 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 1275250050 is about 35710.6433714096. The cubic root of 1275250050 is about 1084.4223248094.

Adding to 1275250050 its reverse (500525721), we get a palindrome (1775775771).

The spelling of 1275250050 in words is "one billion, two hundred seventy-five million, two hundred fifty thousand, fifty".