1239048029545 has 8 divisors (see below), whose sum is σ = 1486867447296. Its totient is φ = 991231882416.

The previous prime is 1239048029543. The next prime is 1239048029617. The reversal of 1239048029545 is 5459208409321.

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 1239048029545 - 2¹ = 1239048029543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1239048029492 and 1239048029501.

It is not an unprimeable number, because it can be changed into a prime (1239048029543) 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, 111864 + ... + 1578166.

It is an arithmetic number, because the mean of its divisors is an integer number (185858430912).

Almost surely, 2^{1239048029545} is an apocalyptic number.

It is an amenable number.

1239048029545 is a deficient number, since it is larger than the sum of its proper divisors (247819417751).

1239048029545 is a wasteful number, since it uses less digits than its factorization.

1239048029545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635311.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 1239048029545 in words is "one trillion, two hundred thirty-nine billion, forty-eight million, twenty-nine thousand, five hundred forty-five".