127151660 has 48 divisors (see below), whose sum is σ = 283016160. Its totient is φ = 47900160.

The previous prime is 127151639. The next prime is 127151663. The reversal of 127151660 is 66151721.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (127151663) 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 15 ways as a sum of consecutive naturals, for example, 21107 + ... + 26453.

It is an arithmetic number, because the mean of its divisors is an integer number (5896170).

Almost surely, 2^127151660 is an apocalyptic number.

127151660 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 127151660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141508080).

127151660 is an abundant number, since it is smaller than the sum of its proper divisors (155864500).

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

127151660 is a wasteful number, since it uses less digits than its factorization.

127151660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426 (or 5424 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 127151660 is about 11276.1544863486. The cubic root of 127151660 is about 502.8525746861.

The spelling of 127151660 in words is "one hundred twenty-seven million, one hundred fifty-one thousand, six hundred sixty".