127151225 has 24 divisors (see below), whose sum is σ = 164703000. Its totient is φ = 97251840.

The previous prime is 127151197. The next prime is 127151239. The reversal of 127151225 is 522151721.

It can be written as a sum of positive squares in 12 ways, for example, as 1352569 + 125798656 = 1163^2 + 11216^2 .

It is not a de Polignac number, because 127151225 - 2⁶ = 127151161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127151194 and 127151203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78221 + ... + 79829.

It is an arithmetic number, because the mean of its divisors is an integer number (6862625).

Almost surely, 2^127151225 is an apocalyptic number.

It is an amenable number.

127151225 is a deficient number, since it is larger than the sum of its proper divisors (37551775).

127151225 is a wasteful number, since it uses less digits than its factorization.

127151225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757 (or 1752 counting only the distinct ones).

The product of its digits is 1400, while the sum is 26.

The square root of 127151225 is about 11276.1351978415. The cubic root of 127151225 is about 502.8520012472.

The spelling of 127151225 in words is "one hundred twenty-seven million, one hundred fifty-one thousand, two hundred twenty-five".