125722 has 4 divisors (see below), whose sum is σ = 188586. Its totient is φ = 62860.

The previous prime is 125717. The next prime is 125731. The reversal of 125722 is 227521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 227521 = 7 ⋅32503.

It can be written as a sum of positive squares in only one way, i.e., 72361 + 53361 = 269^2 + 231^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125722.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31429 + ... + 31432.

2¹²⁵⁷²² is an apocalyptic number.

125722 is a deficient number, since it is larger than the sum of its proper divisors (62864).

125722 is an equidigital number, since it uses as much as digits as its factorization.

125722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62863.

The product of its digits is 280, while the sum is 19.

The square root of 125722 is about 354.5729826143. The cubic root of 125722 is about 50.0960819137.

The spelling of 125722 in words is "one hundred twenty-five thousand, seven hundred twenty-two".