1260508972057 has 8 divisors (see below), whose sum is σ = 1289971719936. Its totient is φ = 1231156366272.

The previous prime is 1260508972039. The next prime is 1260508972103. The reversal of 1260508972057 is 7502798050621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1260508972057 - 2⁷ = 1260508971929 is a prime.

It is a super-3 number, since 3×1260508972057³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1260508971995 and 1260508972013.

It is not an unprimeable number, because it can be changed into a prime (1260508970057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27512368 + ... + 27558145.

It is an arithmetic number, because the mean of its divisors is an integer number (161246464992).

Almost surely, 2^{1260508972057} is an apocalyptic number.

It is an amenable number.

1260508972057 is a deficient number, since it is larger than the sum of its proper divisors (29462747879).

1260508972057 is an equidigital number, since it uses as much as digits as its factorization.

1260508972057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55071047.

The product of its (nonzero) digits is 2116800, while the sum is 52.

The spelling of 1260508972057 in words is "one trillion, two hundred sixty billion, five hundred eight million, nine hundred seventy-two thousand, fifty-seven".