1265112632 has 32 divisors (see below), whose sum is σ = 2774006400. Its totient is φ = 529581024.

The previous prime is 1265112599. The next prime is 1265112637. The reversal of 1265112632 is 2362115621.

It is a junction number, because it is equal to n+sod(n) for n = 1265112595 and 1265112604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265112637) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 260282 + ... + 265097.

It is an arithmetic number, because the mean of its divisors is an integer number (86687700).

Almost surely, 2^1265112632 is an apocalyptic number.

It is an amenable number.

1265112632 is an abundant number, since it is smaller than the sum of its proper divisors (1508893768).

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

1265112632 is a wasteful number, since it uses less digits than its factorization.

1265112632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525435 (or 525431 counting only the distinct ones).

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

The square root of 1265112632 is about 35568.4218373545. The cubic root of 1265112632 is about 1081.5411901218.

The spelling of 1265112632 in words is "one billion, two hundred sixty-five million, one hundred twelve thousand, six hundred thirty-two".