127127142 has 24 divisors (see below), whose sum is σ = 282161880. Its totient is φ = 41341920.

The previous prime is 127127137. The next prime is 127127191. The reversal of 127127142 is 241721721.

It is a happy number.

It is a super-2 number, since 2×127127142² = 32322620466176328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85392 + ... + 86867.

It is an arithmetic number, because the mean of its divisors is an integer number (11756745).

Almost surely, 2^127127142 is an apocalyptic number.

127127142 is an abundant number, since it is smaller than the sum of its proper divisors (155034738).

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

127127142 is a wasteful number, since it uses less digits than its factorization.

127127142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172308 (or 172305 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 127127142 is about 11275.0672725266. The cubic root of 127127142 is about 502.8202517840.

Adding to 127127142 its reverse (241721721), we get a palindrome (368848863).

The spelling of 127127142 in words is "one hundred twenty-seven million, one hundred twenty-seven thousand, one hundred forty-two".