124143263257 has 8 divisors (see below), whose sum is σ = 133696712520. Its totient is φ = 114590380800.

The previous prime is 124143263201. The next prime is 124143263263. The reversal of 124143263257 is 752362341421.

It can be written as a sum of positive squares in 4 ways, for example, as 9825567376 + 114317695881 = 99124^2 + 338109^2 .

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 124143263257 - 2¹⁵ = 124143230489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124143263287) 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, 386007 + ... + 630307.

It is an arithmetic number, because the mean of its divisors is an integer number (16712089065).

Almost surely, 2^124143263257 is an apocalyptic number.

It is an amenable number.

124143263257 is a deficient number, since it is larger than the sum of its proper divisors (9553449263).

124143263257 is a wasteful number, since it uses less digits than its factorization.

124143263257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283403.

The product of its digits is 241920, while the sum is 40.

The spelling of 124143263257 in words is "one hundred twenty-four billion, one hundred forty-three million, two hundred sixty-three thousand, two hundred fifty-seven".