124133745561 has 16 divisors (see below), whose sum is σ = 200283018624. Its totient is φ = 66761005824.

The previous prime is 124133745553. The next prime is 124133745569. The reversal of 124133745561 is 165547331421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (124133745553) and next prime (124133745569).

It is not a de Polignac number, because 124133745561 - 2³ = 124133745553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124133745569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173856430 + ... + 173857143.

It is an arithmetic number, because the mean of its divisors is an integer number (12517688664).

Almost surely, 2^124133745561 is an apocalyptic number.

It is an amenable number.

124133745561 is a deficient number, since it is larger than the sum of its proper divisors (76149273063).

124133745561 is a wasteful number, since it uses less digits than its factorization.

124133745561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347713600.

The product of its digits is 302400, while the sum is 42.

The spelling of 124133745561 in words is "one hundred twenty-four billion, one hundred thirty-three million, seven hundred forty-five thousand, five hundred sixty-one".