1302120133 has 2 divisors, whose sum is σ = 1302120134. Its totient is φ = 1302120132.

The previous prime is 1302120119. The next prime is 1302120139. The reversal of 1302120133 is 3310212031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1165744449 + 136375684 = 34143^2 + 11678^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302120133 - 2²¹ = 1300022981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302120139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651060066 + 651060067.

It is an arithmetic number, because the mean of its divisors is an integer number (651060067).

Almost surely, 2^1302120133 is an apocalyptic number.

It is an amenable number.

1302120133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302120133 is an equidigital number, since it uses as much as digits as its factorization.

1302120133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1302120133 is about 36084.9017318878. The cubic root of 1302120133 is about 1091.9858680138.

Adding to 1302120133 its reverse (3310212031), we get a palindrome (4612332164).

The spelling of 1302120133 in words is "one billion, three hundred two million, one hundred twenty thousand, one hundred thirty-three".