1302023140 has 48 divisors (see below), whose sum is σ = 3046305024. Its totient is φ = 463385600.

The previous prime is 1302023131. The next prime is 1302023153. The reversal of 1302023140 is 413202031.

It is a happy number.

It is an unprimeable number.

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, 52621 + ... + 73300.

It is an arithmetic number, because the mean of its divisors is an integer number (63464688).

Almost surely, 2^1302023140 is an apocalyptic number.

1302023140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302023140 is an abundant number, since it is smaller than the sum of its proper divisors (1744281884).

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

1302023140 is a wasteful number, since it uses less digits than its factorization.

1302023140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125988 (or 125986 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1302023140 is about 36083.5577514191. The cubic root of 1302023140 is about 1091.9587538706.

Adding to 1302023140 its reverse (413202031), we get a palindrome (1715225171).

The spelling of 1302023140 in words is "one billion, three hundred two million, twenty-three thousand, one hundred forty".