1273952112 has 40 divisors (see below), whose sum is σ = 3293479680. Its totient is φ = 424336320.

The previous prime is 1273952111. The next prime is 1273952117. The reversal of 1273952112 is 2112593721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273952111) 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, 60937 + ... + 79127.

It is an arithmetic number, because the mean of its divisors is an integer number (82336992).

Almost surely, 2^1273952112 is an apocalyptic number.

1273952112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1273952112 is an abundant number, since it is smaller than the sum of its proper divisors (2019527568).

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

1273952112 is a wasteful number, since it uses less digits than its factorization.

1273952112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19661 (or 19655 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 1273952112 is about 35692.4657595969. The cubic root of 1273952112 is about 1084.0542948345.

The spelling of 1273952112 in words is "one billion, two hundred seventy-three million, nine hundred fifty-two thousand, one hundred twelve".