1302512142 has 16 divisors (see below), whose sum is σ = 2612898432. Its totient is φ = 432858360.

The previous prime is 1302512131. The next prime is 1302512179. The reversal of 1302512142 is 2412152031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325938 + ... + 329909.

It is an arithmetic number, because the mean of its divisors is an integer number (163306152).

Almost surely, 2^1302512142 is an apocalyptic number.

1302512142 is an abundant number, since it is smaller than the sum of its proper divisors (1310386290).

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

1302512142 is a wasteful number, since it uses less digits than its factorization.

1302512142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656183.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1302512142 is about 36090.3330824197. Note that the first 3 decimals coincide. The cubic root of 1302512142 is about 1092.0954394036.

Adding to 1302512142 its reverse (2412152031), we get a palindrome (3714664173).

The spelling of 1302512142 in words is "one billion, three hundred two million, five hundred twelve thousand, one hundred forty-two".