1275730153 has 2 divisors, whose sum is σ = 1275730154. Its totient is φ = 1275730152.

The previous prime is 1275730151. The next prime is 1275730177. The reversal of 1275730153 is 3510375721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1001595904 + 274134249 = 31648^2 + 16557^2 .

It is a cyclic number.

It is not a de Polignac number, because 1275730153 - 2¹ = 1275730151 is a prime.

Together with 1275730151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1275730151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637865076 + 637865077.

It is an arithmetic number, because the mean of its divisors is an integer number (637865077).

Almost surely, 2^1275730153 is an apocalyptic number.

It is an amenable number.

1275730153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275730153 is an equidigital number, since it uses as much as digits as its factorization.

1275730153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 1275730153 is about 35717.3648664064. The cubic root of 1275730153 is about 1084.5583946176.

The spelling of 1275730153 in words is "one billion, two hundred seventy-five million, seven hundred thirty thousand, one hundred fifty-three".