1302125240 has 64 divisors (see below), whose sum is σ = 3256968960. Its totient is φ = 465269760.

The previous prime is 1302125213. The next prime is 1302125249. The reversal of 1302125240 is 425212031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302125249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24269 + ... + 56508.

It is an arithmetic number, because the mean of its divisors is an integer number (50890140).

Almost surely, 2^1302125240 is an apocalyptic number.

1302125240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302125240 is an abundant number, since it is smaller than the sum of its proper divisors (1954843720).

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

1302125240 is a wasteful number, since it uses less digits than its factorization.

1302125240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80832 (or 80828 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1302125240 is about 36084.9724954863. The cubic root of 1302125240 is about 1091.9872956252.

Adding to 1302125240 its reverse (425212031), we get a palindrome (1727337271).

The spelling of 1302125240 in words is "one billion, three hundred two million, one hundred twenty-five thousand, two hundred forty".