1295300000 has 72 divisors (see below), whose sum is σ = 3187694412. Its totient is φ = 518080000.

The previous prime is 1295299987. The next prime is 1295300009. The reversal of 1295300000 is 35921.

It can be written as a sum of positive squares in 6 ways, for example, as 402724624 + 892575376 = 20068^2 + 29876^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1295300009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93524 + ... + 106476.

Almost surely, 2^1295300000 is an apocalyptic number.

1295300000 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 1295300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1593847206).

1295300000 is an abundant number, since it is smaller than the sum of its proper divisors (1892394412).

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

1295300000 is an frugal number, since it uses more digits than its factorization.

1295300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12988 (or 12960 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1295300000 is about 35990.2764646231. The cubic root of 1295300000 is about 1090.0760264565.

Adding to 1295300000 its reverse (35921), we get a palindrome (1295335921).

The spelling of 1295300000 in words is "one billion, two hundred ninety-five million, three hundred thousand".