127225400 has 48 divisors (see below), whose sum is σ = 296565840. Its totient is φ = 50758400.

The previous prime is 127225393. The next prime is 127225409. The reversal of 127225400 is 4522721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127225409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122885 + ... + 123915.

It is an arithmetic number, because the mean of its divisors is an integer number (6178455).

Almost surely, 2^127225400 is an apocalyptic number.

127225400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127225400 is an abundant number, since it is smaller than the sum of its proper divisors (169340440).

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

127225400 is a wasteful number, since it uses less digits than its factorization.

127225400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 127225400 is about 11279.4237441458. The cubic root of 127225400 is about 502.9497635682.

The spelling of 127225400 in words is "one hundred twenty-seven million, two hundred twenty-five thousand, four hundred".