250125142123 has 4 divisors (see below), whose sum is σ = 250206381040. Its totient is φ = 250043903208.

The previous prime is 250125142103. The next prime is 250125142219. The reversal of 250125142123 is 321241521052.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 250125142123 - 2²¹ = 250123044971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250125142091 and 250125142100.

It is not an unprimeable number, because it can be changed into a prime (250125142103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40614840 + ... + 40620997.

It is an arithmetic number, because the mean of its divisors is an integer number (62551595260).

Almost surely, 2^250125142123 is an apocalyptic number.

250125142123 is a deficient number, since it is larger than the sum of its proper divisors (81238917).

250125142123 is an equidigital number, since it uses as much as digits as its factorization.

250125142123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81238916.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 250125142123 its reverse (321241521052), we get a palindrome (571366663175).

The spelling of 250125142123 in words is "two hundred fifty billion, one hundred twenty-five million, one hundred forty-two thousand, one hundred twenty-three".