1260606720 has 72 divisors (see below), whose sum is σ = 4026074976. Its totient is φ = 336160768.

The previous prime is 1260606719. The next prime is 1260606727. The reversal of 1260606720 is 276060621.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260606727) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 160302 + ... + 167981.

It is an arithmetic number, because the mean of its divisors is an integer number (55917708).

Almost surely, 2^1260606720 is an apocalyptic number.

1260606720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1260606720 is an abundant number, since it is smaller than the sum of its proper divisors (2765468256).

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

1260606720 is an equidigital number, since it uses as much as digits as its factorization.

1260606720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328307 (or 328293 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1260606720 is about 35505.0238698695. The cubic root of 1260606720 is about 1080.2556322177.

The spelling of 1260606720 in words is "one billion, two hundred sixty million, six hundred six thousand, seven hundred twenty".