1302125000 has 112 divisors (see below), whose sum is σ = 3332769840. Its totient is φ = 473000000.

The previous prime is 1302124997. The next prime is 1302125021. The reversal of 1302125000 is 5212031.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1374527 + ... + 1375473.

Almost surely, 2^1302125000 is an apocalyptic number.

1302125000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1302125000 is the 20834-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1302125000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1666384920).

1302125000 is an abundant number, since it is smaller than the sum of its proper divisors (2030644840).

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

1302125000 is an frugal number, since it uses more digits than its factorization.

1302125000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1302125000 is about 36084.9691700021. The cubic root of 1302125000 is about 1091.9872285357.

Adding to 1302125000 its reverse (5212031), we get a palindrome (1307337031).

The spelling of 1302125000 in words is "one billion, three hundred two million, one hundred twenty-five thousand".