127243650 has 48 divisors (see below), whose sum is σ = 318399264. Its totient is φ = 33626880.

The previous prime is 127243643. The next prime is 127243667. The reversal of 127243650 is 56342721.

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

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 23 ways as a sum of consecutive naturals, for example, 13197 + ... + 20703.

It is an arithmetic number, because the mean of its divisors is an integer number (6633318).

Almost surely, 2^127243650 is an apocalyptic number.

127243650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 127243650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159199632).

127243650 is an abundant number, since it is smaller than the sum of its proper divisors (191155614).

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

127243650 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 8 representation: 127243650 = (745312602)₈.

127243650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7635 (or 7630 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 127243650 is about 11280.2327103655. The cubic root of 127243650 is about 502.9738111623.

The spelling of 127243650 in words is "one hundred twenty-seven million, two hundred forty-three thousand, six hundred fifty".