1275648150 has 96 divisors (see below), whose sum is σ = 3692620800. Its totient is φ = 285361920.

The previous prime is 1275648139. The next prime is 1275648161. The reversal of 1275648150 is 518465721.

It is an interprime number because it is at equal distance from previous prime (1275648139) and next prime (1275648161).

It is a junction number, because it is equal to n+sod(n) for n = 1275648099 and 1275648108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36426 + ... + 62274.

It is an arithmetic number, because the mean of its divisors is an integer number (38464800).

Almost surely, 2^1275648150 is an apocalyptic number.

1275648150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1275648150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1846310400).

1275648150 is an abundant number, since it is smaller than the sum of its proper divisors (2416972650).

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

1275648150 is a wasteful number, since it uses less digits than its factorization.

1275648150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25918 (or 25913 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 1275648150 is about 35716.2169049299. The cubic root of 1275648150 is about 1084.5351559133.

It can be divided in two parts, 12756 and 48150, that added together give a palindrome (60906).

The spelling of 1275648150 in words is "one billion, two hundred seventy-five million, six hundred forty-eight thousand, one hundred fifty".