1302125053 has 4 divisors (see below), whose sum is σ = 1337317660. Its totient is φ = 1266932448.

The previous prime is 1302125029. The next prime is 1302125063. The reversal of 1302125053 is 3505212031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3505212031 = 17 ⋅206188943.

It can be written as a sum of positive squares in 2 ways, for example, as 1052548249 + 249576804 = 32443^2 + 15798^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302125053 - 2⁵ = 1302125021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302125063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17596248 + ... + 17596321.

It is an arithmetic number, because the mean of its divisors is an integer number (334329415).

Almost surely, 2^1302125053 is an apocalyptic number.

It is an amenable number.

1302125053 is a deficient number, since it is larger than the sum of its proper divisors (35192607).

1302125053 is an equidigital number, since it uses as much as digits as its factorization.

1302125053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35192606.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1302125053 is about 36084.9699043799. The cubic root of 1302125053 is about 1091.9872433513.

Adding to 1302125053 its reverse (3505212031), we get a palindrome (4807337084).

The spelling of 1302125053 in words is "one billion, three hundred two million, one hundred twenty-five thousand, fifty-three".