420129711 has 12 divisors (see below), whose sum is σ = 608025600. Its totient is φ = 279545760.

The previous prime is 420129667. The next prime is 420129713. The reversal of 420129711 is 117921024.

It is a de Polignac number, because none of the positive numbers 2^k-420129711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420129713) 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, 40111 + ... + 49488.

It is an arithmetic number, because the mean of its divisors is an integer number (50668800).

Almost surely, 2^420129711 is an apocalyptic number.

420129711 is a deficient number, since it is larger than the sum of its proper divisors (187895889).

420129711 is a wasteful number, since it uses less digits than its factorization.

420129711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90126 (or 90123 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 420129711 is about 20497.0659119787. The cubic root of 420129711 is about 748.9643251618.

The spelling of 420129711 in words is "four hundred twenty million, one hundred twenty-nine thousand, seven hundred eleven".