1371925 has 6 divisors (see below), whose sum is σ = 1701218. Its totient is φ = 1097520.

The previous prime is 1371913. The next prime is 1371943. The reversal of 1371925 is 5291731.

It can be written as a sum of positive squares in 3 ways, for example, as 432964 + 938961 = 658^2 + 969^2 .

It is not a de Polignac number, because 1371925 - 2⁵ = 1371893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1371893 and 1371902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27414 + ... + 27463.

2^1371925 is an apocalyptic number.

It is an amenable number.

1371925 is a deficient number, since it is larger than the sum of its proper divisors (329293).

1371925 is an equidigital number, since it uses as much as digits as its factorization.

1371925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54887 (or 54882 counting only the distinct ones).

The product of its digits is 1890, while the sum is 28.

The square root of 1371925 is about 1171.2920216581. The cubic root of 1371925 is about 111.1160488546.

The spelling of 1371925 in words is "one million, three hundred seventy-one thousand, nine hundred twenty-five".