127429020 has 36 divisors (see below), whose sum is σ = 386535240. Its totient is φ = 33981024.

The previous prime is 127428989. The next prime is 127429031. The reversal of 127429020 is 20924721.

It is a tau number, because it is divible by the number of its divisors (36).

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, 353790 + ... + 354149.

It is an arithmetic number, because the mean of its divisors is an integer number (10737090).

Almost surely, 2^127429020 is an apocalyptic number.

127429020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127429020 is an abundant number, since it is smaller than the sum of its proper divisors (259106220).

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

127429020 is a wasteful number, since it uses less digits than its factorization.

127429020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707954 (or 707949 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 127429020 is about 11288.4463058474. The cubic root of 127429020 is about 503.2179386455.

The spelling of 127429020 in words is "one hundred twenty-seven million, four hundred twenty-nine thousand, twenty".