1200484708657 has 8 divisors (see below), whose sum is σ = 1310539682984. Its totient is φ = 1092959733888.

The previous prime is 1200484708603. The next prime is 1200484708667. The reversal of 1200484708657 is 7568074840021.

It can be written as a sum of positive squares in 4 ways, for example, as 2825879281 + 1197658829376 = 53159^2 + 1094376^2 .

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 1200484708657 - 2²⁷ = 1200350490929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200484708667) 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, 632498898 + ... + 632500795.

It is an arithmetic number, because the mean of its divisors is an integer number (163817460373).

Almost surely, 2^{1200484708657} is an apocalyptic number.

It is an amenable number.

1200484708657 is a deficient number, since it is larger than the sum of its proper divisors (110054974327).

1200484708657 is a wasteful number, since it uses less digits than its factorization.

1200484708657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264999779.

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 1200484708657 in words is "one trillion, two hundred billion, four hundred eighty-four million, seven hundred eight thousand, six hundred fifty-seven".