2130121753 has 2 divisors, whose sum is σ = 2130121754. Its totient is φ = 2130121752.

The previous prime is 2130121691. The next prime is 2130121757. The reversal of 2130121753 is 3571210312.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1914237504 + 215884249 = 43752^2 + 14693^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130121753 - 2¹³ = 2130113561 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130121757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065060876 + 1065060877.

It is an arithmetic number, because the mean of its divisors is an integer number (1065060877).

Almost surely, 2^2130121753 is an apocalyptic number.

It is an amenable number.

2130121753 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130121753 is an equidigital number, since it uses as much as digits as its factorization.

2130121753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 2130121753 is about 46153.2420638031. The cubic root of 2130121753 is about 1286.6728661395.

The spelling of 2130121753 in words is "two billion, one hundred thirty million, one hundred twenty-one thousand, seven hundred fifty-three".