1260790146 has 96 divisors (see below), whose sum is σ = 3414048768. Its totient is φ = 326682720.

The previous prime is 1260790079. The next prime is 1260790183. The reversal of 1260790146 is 6410970621.

1260790146 is a `hidden beast` number, since 1 + 2 + 607 + 9 + 0 + 1 + 46 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1260790146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 757311 + ... + 758973.

It is an arithmetic number, because the mean of its divisors is an integer number (35563008).

Almost surely, 2^1260790146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1260790146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1707024384).

1260790146 is an abundant number, since it is smaller than the sum of its proper divisors (2153258622).

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

1260790146 is a wasteful number, since it uses less digits than its factorization.

1260790146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236 (or 2233 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1260790146 is about 35507.6068751472. The cubic root of 1260790146 is about 1080.3080242807.

The spelling of 1260790146 in words is "one billion, two hundred sixty million, seven hundred ninety thousand, one hundred forty-six".