1123865087477 has 8 divisors (see below), whose sum is σ = 1255937925312. Its totient is φ = 996776130400.

The previous prime is 1123865087473. The next prime is 1123865087483. The reversal of 1123865087477 is 7747805683211.

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 1123865087477 - 2² = 1123865087473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123865087473) 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, 1245969713 + ... + 1245970614.

It is an arithmetic number, because the mean of its divisors is an integer number (156992240664).

Almost surely, 2^{1123865087477} is an apocalyptic number.

It is an amenable number.

1123865087477 is a deficient number, since it is larger than the sum of its proper divisors (132072837835).

1123865087477 is a wasteful number, since it uses less digits than its factorization.

1123865087477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491940379.

The product of its (nonzero) digits is 15805440, while the sum is 59.

The spelling of 1123865087477 in words is "one trillion, one hundred twenty-three billion, eight hundred sixty-five million, eighty-seven thousand, four hundred seventy-seven".