1265025 has 24 divisors (see below), whose sum is σ = 2124864. Its totient is φ = 664000.

The previous prime is 1264997. The next prime is 1265029. The reversal of 1265025 is 5205621.

It is not a de Polignac number, because 1265025 - 2⁷ = 1264897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1264992 and 1265010.

It is not an unprimeable number, because it can be changed into a prime (1265029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7492 + ... + 7658.

It is an arithmetic number, because the mean of its divisors is an integer number (88536).

2^1265025 is an apocalyptic number.

1265025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1265025 is a deficient number, since it is larger than the sum of its proper divisors (859839).

1265025 is a wasteful number, since it uses less digits than its factorization.

1265025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1265025 is about 1124.7333017209. The cubic root of 1265025 is about 108.1516217429.

Adding to 1265025 its product of nonzero digits (600), we get a square (1265625 = 1125²).

It can be divided in two parts, 126 and 5025, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 1265025 in words is "one million, two hundred sixty-five thousand, twenty-five".