125122772 has 6 divisors (see below), whose sum is σ = 218964858. Its totient is φ = 62561384.

The previous prime is 125122729. The next prime is 125122801. The reversal of 125122772 is 277221521.

It can be written as a sum of positive squares in only one way, i.e., 66814276 + 58308496 = 8174^2 + 7636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15640343 + ... + 15640350.

It is an arithmetic number, because the mean of its divisors is an integer number (36494143).

Almost surely, 2^125122772 is an apocalyptic number.

It is an amenable number.

125122772 is a deficient number, since it is larger than the sum of its proper divisors (93842086).

125122772 is a wasteful number, since it uses less digits than its factorization.

125122772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31280697 (or 31280695 counting only the distinct ones).

The product of its digits is 3920, while the sum is 29.

The square root of 125122772 is about 11185.8290707484. The cubic root of 125122772 is about 500.1636424365.

The spelling of 125122772 in words is "one hundred twenty-five million, one hundred twenty-two thousand, seven hundred seventy-two".