127222240 has 24 divisors (see below), whose sum is σ = 300562920. Its totient is φ = 50888832.

The previous prime is 127222163. The next prime is 127222241. The reversal of 127222240 is 42222721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127222241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397410 + ... + 397729.

It is an arithmetic number, because the mean of its divisors is an integer number (12523455).

Almost surely, 2^127222240 is an apocalyptic number.

127222240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127222240 is an abundant number, since it is smaller than the sum of its proper divisors (173340680).

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

127222240 is an equidigital number, since it uses as much as digits as its factorization.

127222240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795154 (or 795146 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 127222240 is about 11279.2836651979. The cubic root of 127222240 is about 502.9455994772.

Adding to 127222240 its reverse (42222721), we get a palindrome (169444961).

The spelling of 127222240 in words is "one hundred twenty-seven million, two hundred twenty-two thousand, two hundred forty".