1260219408 has 160 divisors (see below), whose sum is σ = 3850420224. Its totient is φ = 347659776.

The previous prime is 1260219407. The next prime is 1260219431. The reversal of 1260219408 is 8049120621.

It is not an unprimeable number, because it can be changed into a prime (1260219407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2075841 + ... + 2076447.

Almost surely, 2^1260219408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1260219408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1925210112).

1260219408 is an abundant number, since it is smaller than the sum of its proper divisors (2590200816).

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

1260219408 is a wasteful number, since it uses less digits than its factorization.

1260219408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1260219408 is about 35499.5691241457. The cubic root of 1260219408 is about 1080.1449873936.

The spelling of 1260219408 in words is "one billion, two hundred sixty million, two hundred nineteen thousand, four hundred eight".