1260343120 has 20 divisors (see below), whose sum is σ = 2930297940. Its totient is φ = 504137216.

The previous prime is 1260343109. The next prime is 1260343153. The reversal of 1260343120 is 213430621.

It can be written as a sum of positive squares in 2 ways, for example, as 133263936 + 1127079184 = 11544^2 + 33572^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1260343091 and 1260343100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7877065 + ... + 7877224.

It is an arithmetic number, because the mean of its divisors is an integer number (146514897).

Almost surely, 2^1260343120 is an apocalyptic number.

1260343120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1260343120 is an abundant number, since it is smaller than the sum of its proper divisors (1669954820).

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

1260343120 is a wasteful number, since it uses less digits than its factorization.

1260343120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15754302 (or 15754296 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1260343120 is about 35501.3115250690. The cubic root of 1260343120 is about 1080.1803311133.

Adding to 1260343120 its reverse (213430621), we get a palindrome (1473773741).

The spelling of 1260343120 in words is "one billion, two hundred sixty million, three hundred forty-three thousand, one hundred twenty".