1269425 has 6 divisors (see below), whose sum is σ = 1574118. Its totient is φ = 1015520.

The previous prime is 1269413. The next prime is 1269427. The reversal of 1269425 is 5249621.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 237169 + 1032256 = 487^2 + 1016^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1269425 is a prime.

It is a super-2 number, since 2×1269425² = 3222879661250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1269427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25364 + ... + 25413.

It is an arithmetic number, because the mean of its divisors is an integer number (262353).

2^1269425 is an apocalyptic number.

It is an amenable number.

1269425 is a deficient number, since it is larger than the sum of its proper divisors (304693).

1269425 is an equidigital number, since it uses as much as digits as its factorization.

1269425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50787 (or 50782 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 1269425 is about 1126.6876230793. The cubic root of 1269425 is about 108.2768673521.

The spelling of 1269425 in words is "one million, two hundred sixty-nine thousand, four hundred twenty-five".