1302120402 has 16 divisors (see below), whose sum is σ = 2840990112. Its totient is φ = 394581920.

The previous prime is 1302120397. The next prime is 1302120403. The reversal of 1302120402 is 2040212031.

It is not an unprimeable number, because it can be changed into a prime (1302120403) 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 7 ways as a sum of consecutive naturals, for example, 9864483 + ... + 9864614.

It is an arithmetic number, because the mean of its divisors is an integer number (177561882).

Almost surely, 2^1302120402 is an apocalyptic number.

1302120402 is an abundant number, since it is smaller than the sum of its proper divisors (1538869710).

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

1302120402 is a wasteful number, since it uses less digits than its factorization.

1302120402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19729113.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1302120402 is about 36084.9054592083. The cubic root of 1302120402 is about 1091.9859432102.

Adding to 1302120402 its reverse (2040212031), we get a palindrome (3342332433).

The spelling of 1302120402 in words is "one billion, three hundred two million, one hundred twenty thousand, four hundred two".