127445472 has 216 divisors, whose sum is σ = 460481112. Its totient is φ = 33062400.

The previous prime is 127445471. The next prime is 127445473. The reversal of 127445472 is 274544721.

It is an interprime number because it is at equal distance from previous prime (127445471) and next prime (127445473).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127445471) 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 35 ways as a sum of consecutive naturals, for example, 154822 + ... + 155642.

It is an arithmetic number, because the mean of its divisors is an integer number (2131857).

Almost surely, 2^127445472 is an apocalyptic number.

127445472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127445472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230240556).

127445472 is an abundant number, since it is smaller than the sum of its proper divisors (333035640).

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

127445472 is a wasteful number, since it uses less digits than its factorization.

127445472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 844 counting only the distinct ones).

The product of its digits is 62720, while the sum is 36.

The square root of 127445472 is about 11289.1749920001. The cubic root of 127445472 is about 503.2395940614.

The spelling of 127445472 in words is "one hundred twenty-seven million, four hundred forty-five thousand, four hundred seventy-two".