1302121134 has 24 divisors (see below), whose sum is σ = 2856977760. Its totient is φ = 428545728.

The previous prime is 1302121127. The next prime is 1302121151. The reversal of 1302121134 is 4311212031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 456427 + ... + 459270.

It is an arithmetic number, because the mean of its divisors is an integer number (119040740).

Almost surely, 2^1302121134 is an apocalyptic number.

1302121134 is an abundant number, since it is smaller than the sum of its proper divisors (1554856626).

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

1302121134 is a wasteful number, since it uses less digits than its factorization.

1302121134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915784 (or 915781 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1302121134 is about 36084.9156019520. The cubic root of 1302121134 is about 1091.9861478338.

Adding to 1302121134 its reverse (4311212031), we get a palindrome (5613333165).

The spelling of 1302121134 in words is "one billion, three hundred two million, one hundred twenty-one thousand, one hundred thirty-four".