1302500000 has 96 divisors (see below), whose sum is σ = 3211515216. Its totient is φ = 520000000.

The previous prime is 1302499987. The next prime is 1302500009. The reversal of 1302500000 is 52031.

It can be written as a sum of positive squares in 8 ways, for example, as 1261386256 + 41113744 = 35516^2 + 6412^2 .

It is not an unprimeable number, because it can be changed into a prime (1302500009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2499740 + ... + 2500260.

Almost surely, 2^1302500000 is an apocalyptic number.

1302500000 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 1302500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605757608).

1302500000 is an abundant number, since it is smaller than the sum of its proper divisors (1909015216).

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

1302500000 is an frugal number, since it uses more digits than its factorization.

1302500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 1302500000 is about 36090.1648652372. The cubic root of 1302500000 is about 1092.0920458936.

Adding to 1302500000 its reverse (52031), we get a palindrome (1302552031).

The spelling of 1302500000 in words is "one billion, three hundred two million, five hundred thousand".