124201134545 has 8 divisors (see below), whose sum is σ = 149284499496. Its totient is φ = 99198815616.

The previous prime is 124201134493. The next prime is 124201134571. The reversal of 124201134545 is 545431102421.

It can be written as a sum of positive squares in 4 ways, for example, as 1668232336 + 122532902209 = 40844^2 + 350047^2 .

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 124201134545 - 2⁶ = 124201134481 is a prime.

It is a Duffinian 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, 20258132 + ... + 20264261.

It is an arithmetic number, because the mean of its divisors is an integer number (18660562437).

Almost surely, 2^124201134545 is an apocalyptic number.

It is an amenable number.

124201134545 is a deficient number, since it is larger than the sum of its proper divisors (25083364951).

124201134545 is an equidigital number, since it uses as much as digits as its factorization.

124201134545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40523011.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 124201134545 its reverse (545431102421), we get a palindrome (669632236966).

The spelling of 124201134545 in words is "one hundred twenty-four billion, two hundred one million, one hundred thirty-four thousand, five hundred forty-five".