1207420870445 has 8 divisors (see below), whose sum is σ = 1534134753144. Its totient is φ = 909116890624.

The previous prime is 1207420870417. The next prime is 1207420870451. The reversal of 1207420870445 is 5440780247021.

It can be written as a sum of positive squares in 4 ways, for example, as 628477930756 + 578942939689 = 792766^2 + 760883^2 .

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 1207420870445 - 2²⁸ = 1207152434989 is a prime.

It is a super-2 number, since 2×1207420870445² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1207420870396 and 1207420870405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7102475624 + ... + 7102475793.

It is an arithmetic number, because the mean of its divisors is an integer number (191766844143).

Almost surely, 2^{1207420870445} is an apocalyptic number.

It is an amenable number.

1207420870445 is a deficient number, since it is larger than the sum of its proper divisors (326713882699).

1207420870445 is a wasteful number, since it uses less digits than its factorization.

1207420870445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14204951439.

The product of its (nonzero) digits is 501760, while the sum is 44.

The spelling of 1207420870445 in words is "one trillion, two hundred seven billion, four hundred twenty million, eight hundred seventy thousand, four hundred forty-five".