4021401124 has 12 divisors (see below), whose sum is σ = 7578794524. Its totient is φ = 1856031264.

The previous prime is 4021401061. The next prime is 4021401133. The reversal of 4021401124 is 4211041204.

It can be written as a sum of positive squares in 2 ways, for example, as 992880100 + 3028521024 = 31510^2 + 55032^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38667267 + ... + 38667370.

Almost surely, 2^4021401124 is an apocalyptic number.

It is an amenable number.

4021401124 is a deficient number, since it is larger than the sum of its proper divisors (3557393400).

4021401124 is a wasteful number, since it uses less digits than its factorization.

4021401124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77334654 (or 77334652 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 4021401124 is about 63414.5182430648. The cubic root of 4021401124 is about 1590.2270319114.

Adding to 4021401124 its reverse (4211041204), we get a palindrome (8232442328).

The spelling of 4021401124 in words is "four billion, twenty-one million, four hundred one thousand, one hundred twenty-four".