1260670320 has 480 divisors, whose sum is σ = 5303660544. Its totient is φ = 261273600.

The previous prime is 1260670303. The next prime is 1260670357. The reversal of 1260670320 is 230760621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 4651785 + ... + 4652055.

Almost surely, 2^1260670320 is an apocalyptic number.

1260670320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1260670320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2651830272).

1260670320 is an abundant number, since it is smaller than the sum of its proper divisors (4042990224).

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

1260670320 is a wasteful number, since it uses less digits than its factorization.

1260670320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1260670320 is about 35505.9195064710. The cubic root of 1260670320 is about 1080.2737988941.

The spelling of 1260670320 in words is "one billion, two hundred sixty million, six hundred seventy thousand, three hundred twenty".