127994580 has 120 divisors (see below), whose sum is σ = 458924928. Its totient is φ = 29253312.

The previous prime is 127994561. The next prime is 127994593. The reversal of 127994580 is 85499721.

It is a super-2 number, since 2×127994580² = 32765225018752800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5697 + ... + 16983.

Almost surely, 2^127994580 is an apocalyptic number.

127994580 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 127994580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229462464).

127994580 is an abundant number, since it is smaller than the sum of its proper divisors (330930348).

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

127994580 is a wasteful number, since it uses less digits than its factorization.

127994580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11315 (or 11304 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 127994580 is about 11313.4689640269. The cubic root of 127994580 is about 503.9613065533.

It can be divided in two parts, 1279 and 94580, that added together give a palindrome (95859).

The spelling of 127994580 in words is "one hundred twenty-seven million, nine hundred ninety-four thousand, five hundred eighty".