1301171253 has 16 divisors (see below), whose sum is σ = 1784172096. Its totient is φ = 843115520.

The previous prime is 1301171237. The next prime is 1301171273. The reversal of 1301171253 is 3521711031.

It is a happy number.

It is not a de Polignac number, because 1301171253 - 2⁴ = 1301171237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301171273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21228 + ... + 55253.

It is an arithmetic number, because the mean of its divisors is an integer number (111510756).

Almost surely, 2^1301171253 is an apocalyptic number.

It is an amenable number.

1301171253 is a deficient number, since it is larger than the sum of its proper divisors (483000843).

1301171253 is a wasteful number, since it uses less digits than its factorization.

1301171253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76644.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 1301171253 is about 36071.7514545662. The cubic root of 1301171253 is about 1091.7205531844.

Adding to 1301171253 its reverse (3521711031), we get a palindrome (4822882284).

The spelling of 1301171253 in words is "one billion, three hundred one million, one hundred seventy-one thousand, two hundred fifty-three".