4127424921 has 12 divisors (see below), whose sum is σ = 5963662848. Its totient is φ = 2750773464.

The previous prime is 4127424907. The next prime is 4127424937. The reversal of 4127424921 is 1294247214.

It is a happy number.

4127424921 is a `hidden beast` number, since 4 + 127 + 42 + 492 + 1 = 666.

It is not a de Polignac number, because 4127424921 - 2⁶ = 4127424857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4127424901) 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, 38505 + ... + 98678.

It is an arithmetic number, because the mean of its divisors is an integer number (496971904).

Almost surely, 2^4127424921 is an apocalyptic number.

It is an amenable number.

4127424921 is a deficient number, since it is larger than the sum of its proper divisors (1836237927).

4127424921 is a wasteful number, since it uses less digits than its factorization.

4127424921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140532 (or 140529 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 4127424921 is about 64245.0381041213. The cubic root of 4127424921 is about 1604.0813667646.

The spelling of 4127424921 in words is "four billion, one hundred twenty-seven million, four hundred twenty-four thousand, nine hundred twenty-one".