127018864 has 40 divisors (see below), whose sum is σ = 282981888. Its totient is φ = 54102720.

The previous prime is 127018823. The next prime is 127018889. The reversal of 127018864 is 468810721.

It is a super-2 number, since 2×127018864² = 32267583623700992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 15309 + ... + 22099.

Almost surely, 2^127018864 is an apocalyptic number.

127018864 is a gapful number since it is divisible by the number (14) 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 127018864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141490944).

127018864 is an abundant number, since it is smaller than the sum of its proper divisors (155963024).

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

127018864 is a wasteful number, since it uses less digits than its factorization.

127018864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6973 (or 6967 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 127018864 is about 11270.2645931673. The cubic root of 127018864 is about 502.6774555383.

The spelling of 127018864 in words is "one hundred twenty-seven million, eighteen thousand, eight hundred sixty-four".