1265414164 has 12 divisors (see below), whose sum is σ = 2530828384. Its totient is φ = 542320344.

The previous prime is 1265414149. The next prime is 1265414197. The reversal of 1265414164 is 4614145621.

1265414164 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22596654 + ... + 22596709.

Almost surely, 2^1265414164 is an apocalyptic number.

1265414164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1265414164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1265414164 is a wasteful number, since it uses less digits than its factorization.

1265414164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45193374 (or 45193372 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 1265414164 is about 35572.6603447085. The cubic root of 1265414164 is about 1081.6271095790.

Adding to 1265414164 its reverse (4614145621), we get a palindrome (5879559785).

The spelling of 1265414164 in words is "one billion, two hundred sixty-five million, four hundred fourteen thousand, one hundred sixty-four".