127227540 has 96 divisors (see below), whose sum is σ = 397748736. Its totient is φ = 30119040.

The previous prime is 127227533. The next prime is 127227563. The reversal of 127227540 is 45722721.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 127227498 and 127227507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26139 + ... + 30621.

It is an arithmetic number, because the mean of its divisors is an integer number (4143216).

Almost surely, 2^127227540 is an apocalyptic number.

127227540 is a gapful number since it is divisible by the number (10) 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 127227540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198874368).

127227540 is an abundant number, since it is smaller than the sum of its proper divisors (270521196).

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

127227540 is a wasteful number, since it uses less digits than its factorization.

127227540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549 (or 4547 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 127227540 is about 11279.5186067491. The cubic root of 127227540 is about 502.9525835147.

The spelling of 127227540 in words is "one hundred twenty-seven million, two hundred twenty-seven thousand, five hundred forty".