1260345000 has 160 divisors (see below), whose sum is σ = 3994721280. Its totient is φ = 331200000.

The previous prime is 1260344947. The next prime is 1260345011. The reversal of 1260345000 is 5430621.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1094425 + ... + 1095575.

It is an arithmetic number, because the mean of its divisors is an integer number (24967008).

Almost surely, 2^1260345000 is an apocalyptic number.

1260345000 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 1260345000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1997360640).

1260345000 is an abundant number, since it is smaller than the sum of its proper divisors (2734376280).

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

1260345000 is a wasteful number, since it uses less digits than its factorization.

1260345000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1260345000 is about 35501.3380029542. The cubic root of 1260345000 is about 1080.1808681993.

Adding to 1260345000 its reverse (5430621), we get a palindrome (1265775621).

The spelling of 1260345000 in words is "one billion, two hundred sixty million, three hundred forty-five thousand".