1273630050 has 432 divisors, whose sum is σ = 4465562400. Its totient is φ = 257241600.

The previous prime is 1273630031. The next prime is 1273630067. The reversal of 1273630050 is 500363721.

It is a happy number.

1273630050 is a `hidden beast` number, since 1 + 27 + 3 + 630 + 0 + 5 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1273629996 and 1273630023.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 14310406 + ... + 14310494.

It is an arithmetic number, because the mean of its divisors is an integer number (10336950).

Almost surely, 2^1273630050 is an apocalyptic number.

1273630050 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 1273630050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2232781200).

1273630050 is an abundant number, since it is smaller than the sum of its proper divisors (3191932350).

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

1273630050 is a wasteful number, since it uses less digits than its factorization.

1273630050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 1273630050 is about 35687.9538500038. The cubic root of 1273630050 is about 1083.9629355346.

Adding to 1273630050 its reverse (500363721), we get a palindrome (1773993771).

The spelling of 1273630050 in words is "one billion, two hundred seventy-three million, six hundred thirty thousand, fifty".