1201260572869 has 4 divisors (see below), whose sum is σ = 1372869226144. Its totient is φ = 1029651919596.

The previous prime is 1201260572867. The next prime is 1201260572959. The reversal of 1201260572869 is 9682750621021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1201260572869 - 2¹ = 1201260572867 is a prime.

It is a super-2 number, since 2×1201260572869² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201260572867) 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, 85804326627 + ... + 85804326640.

It is an arithmetic number, because the mean of its divisors is an integer number (343217306536).

Almost surely, 2^{1201260572869} is an apocalyptic number.

It is an amenable number.

1201260572869 is a deficient number, since it is larger than the sum of its proper divisors (171608653275).

1201260572869 is an equidigital number, since it uses as much as digits as its factorization.

1201260572869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171608653274.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 1201260572869 in words is "one trillion, two hundred one billion, two hundred sixty million, five hundred seventy-two thousand, eight hundred sixty-nine".