125450231 has 4 divisors (see below), whose sum is σ = 125597472. Its totient is φ = 125302992.

The previous prime is 125450209. The next prime is 125450243. The reversal of 125450231 is 132054521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125450231 is a prime.

It is a super-2 number, since 2×125450231² = 31475520915906722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125450197 and 125450206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125450251) 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, 72335 + ... + 74048.

It is an arithmetic number, because the mean of its divisors is an integer number (31399368).

Almost surely, 2^125450231 is an apocalyptic number.

125450231 is a deficient number, since it is larger than the sum of its proper divisors (147241).

125450231 is an equidigital number, since it uses as much as digits as its factorization.

125450231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147240.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 125450231 is about 11200.4567317588. The cubic root of 125450231 is about 500.5995886994.

The spelling of 125450231 in words is "one hundred twenty-five million, four hundred fifty thousand, two hundred thirty-one".