1265376822 has 16 divisors (see below), whose sum is σ = 2532199152. Its totient is φ = 421551360.

The previous prime is 1265376821. The next prime is 1265376823. The reversal of 1265376822 is 2286735621.

1265376822 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1265376821) and next prime (1265376823).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265376821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48679 + ... + 70002.

It is an arithmetic number, because the mean of its divisors is an integer number (158262447).

Almost surely, 2^1265376822 is an apocalyptic number.

1265376822 is an abundant number, since it is smaller than the sum of its proper divisors (1266822330).

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

1265376822 is a wasteful number, since it uses less digits than its factorization.

1265376822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120463.

The product of its digits is 241920, while the sum is 42.

The square root of 1265376822 is about 35572.1354714614. The cubic root of 1265376822 is about 1081.6164699750.

The spelling of 1265376822 in words is "one billion, two hundred sixty-five million, three hundred seventy-six thousand, eight hundred twenty-two".