1125105535123 has 8 divisors (see below), whose sum is σ = 1135129540608. Its totient is φ = 1115125982664.

The previous prime is 1125105535121. The next prime is 1125105535153. The reversal of 1125105535123 is 3215355015211.

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 1125105535123 - 2¹ = 1125105535121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125105535121) 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, 11062411 + ... + 11163652.

It is an arithmetic number, because the mean of its divisors is an integer number (141891192576).

Almost surely, 2^{1125105535123} is an apocalyptic number.

1125105535123 is a deficient number, since it is larger than the sum of its proper divisors (10024005485).

1125105535123 is a wasteful number, since it uses less digits than its factorization.

1125105535123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22226513.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 1125105535123 in words is "one trillion, one hundred twenty-five billion, one hundred five million, five hundred thirty-five thousand, one hundred twenty-three".