1377125 has 16 divisors (see below), whose sum is σ = 1797120. Its totient is φ = 1051600.

The previous prime is 1377121. The next prime is 1377127. The reversal of 1377125 is 5217731.

It is not a de Polignac number, because 1377125 - 2² = 1377121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1377094 and 1377103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2636 + ... + 3114.

It is an arithmetic number, because the mean of its divisors is an integer number (112320).

2^1377125 is an apocalyptic number.

It is an amenable number.

1377125 is a deficient number, since it is larger than the sum of its proper divisors (419995).

1377125 is an equidigital number, since it uses as much as digits as its factorization.

1377125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 507 counting only the distinct ones).

The product of its digits is 1470, while the sum is 26.

The square root of 1377125 is about 1173.5096931854. The cubic root of 1377125 is about 111.2562593793.

Subtracting 1377125 from its reverse (5217731), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 1377125 in words is "one million, three hundred seventy-seven thousand, one hundred twenty-five".