1265434 has 4 divisors (see below), whose sum is σ = 1898154. Its totient is φ = 632716.

The previous prime is 1265431. The next prime is 1265443. The reversal of 1265434 is 4345621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1177225 + 88209 = 1085^2 + 297^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1265399 and 1265408.

It is not an unprimeable number, because it can be changed into a prime (1265431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316357 + ... + 316360.

2^1265434 is an apocalyptic number.

1265434 is a deficient number, since it is larger than the sum of its proper divisors (632720).

1265434 is an equidigital number, since it uses as much as digits as its factorization.

1265434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632719.

The product of its digits is 2880, while the sum is 25.

The square root of 1265434 is about 1124.9151079081. The cubic root of 1265434 is about 108.1632761232.

The spelling of 1265434 in words is "one million, two hundred sixty-five thousand, four hundred thirty-four".