125054023251 has 8 divisors (see below), whose sum is σ = 167602629520. Its totient is φ = 82937382912.

The previous prime is 125054023247. The next prime is 125054023273. The reversal of 125054023251 is 152320450521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125054023251 - 2² = 125054023247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125054023151) 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, 107990806 + ... + 107991963.

It is an arithmetic number, because the mean of its divisors is an integer number (20950328690).

Almost surely, 2^125054023251 is an apocalyptic number.

125054023251 is a deficient number, since it is larger than the sum of its proper divisors (42548606269).

125054023251 is a wasteful number, since it uses less digits than its factorization.

125054023251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215982965.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 125054023251 its reverse (152320450521), we get a palindrome (277374473772).

The spelling of 125054023251 in words is "one hundred twenty-five billion, fifty-four million, twenty-three thousand, two hundred fifty-one".