127245900 has 72 divisors (see below), whose sum is σ = 369323584. Its totient is φ = 33825600.

The previous prime is 127245893. The next prime is 127245929. The reversal of 127245900 is 9542721.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156495 + ... + 157305.

Almost surely, 2^127245900 is an apocalyptic number.

127245900 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 127245900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184661792).

127245900 is an abundant number, since it is smaller than the sum of its proper divisors (242077684).

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

127245900 is a wasteful number, since it uses less digits than its factorization.

127245900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 127245900 is about 11280.3324419097. The cubic root of 127245900 is about 502.9767757749.

The spelling of 127245900 in words is "one hundred twenty-seven million, two hundred forty-five thousand, nine hundred".