1270841946 has 48 divisors (see below), whose sum is σ = 2841199200. Its totient is φ = 378563680.

The previous prime is 1270841939. The next prime is 1270841951. The reversal of 1270841946 is 6491480721.

It is a junction number, because it is equal to n+sod(n) for n = 1270841898 and 1270841907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28000 + ... + 57668.

It is an arithmetic number, because the mean of its divisors is an integer number (59191650).

Almost surely, 2^1270841946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1270841946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1420599600).

1270841946 is an abundant number, since it is smaller than the sum of its proper divisors (1570357254).

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

1270841946 is a wasteful number, since it uses less digits than its factorization.

1270841946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29755 (or 29744 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1270841946 is about 35648.8701924759. The cubic root of 1270841946 is about 1083.1713897784.

The spelling of 1270841946 in words is "one billion, two hundred seventy million, eight hundred forty-one thousand, nine hundred forty-six".