1275540050 has 24 divisors (see below), whose sum is σ = 2422987776. Its totient is φ = 499359440.

The previous prime is 1275540017. The next prime is 1275540059. The reversal of 1275540050 is 500455721.

It is a junction number, because it is equal to n+sod(n) for n = 1275539995 and 1275540022.

It is not an unprimeable number, because it can be changed into a prime (1275540059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269042 + ... + 273741.

It is an arithmetic number, because the mean of its divisors is an integer number (100957824).

Almost surely, 2^1275540050 is an apocalyptic number.

1275540050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1275540050 is a deficient number, since it is larger than the sum of its proper divisors (1147447726).

1275540050 is a wasteful number, since it uses less digits than its factorization.

1275540050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542842 (or 542837 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 1275540050 is about 35714.7035546986. The cubic root of 1275540050 is about 1084.5045200983.

Adding to 1275540050 its reverse (500455721), we get a palindrome (1775995771).

The spelling of 1275540050 in words is "one billion, two hundred seventy-five million, five hundred forty thousand, fifty".