1265375 has 16 divisors (see below), whose sum is σ = 1617408. Its totient is φ = 988000.

The previous prime is 1265353. The next prime is 1265377. The reversal of 1265375 is 5735621.

It is not a de Polignac number, because 1265375 - 2⁶ = 1265311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265377) 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, 6530 + ... + 6720.

It is an arithmetic number, because the mean of its divisors is an integer number (101088).

2^1265375 is an apocalyptic number.

1265375 is a deficient number, since it is larger than the sum of its proper divisors (352033).

1265375 is an equidigital number, since it uses as much as digits as its factorization.

1265375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 249 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 1265375 is about 1124.8888834014. Note that the first 5 decimals coincide. The cubic root of 1265375 is about 108.1615950840.

The spelling of 1265375 in words is "one million, two hundred sixty-five thousand, three hundred seventy-five".