4042121032 has 8 divisors (see below), whose sum is σ = 7578976950. Its totient is φ = 2021060512.

The previous prime is 4042121023. The next prime is 4042121087. The reversal of 4042121032 is 2301212404.

It can be written as a sum of positive squares in only one way, i.e., 3730033476 + 312087556 = 61074^2 + 17666^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252632557 + ... + 252632572.

Almost surely, 2^4042121032 is an apocalyptic number.

It is an amenable number.

4042121032 is a deficient number, since it is larger than the sum of its proper divisors (3536855918).

4042121032 is a wasteful number, since it uses less digits than its factorization.

4042121032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505265135 (or 505265131 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4042121032 is about 63577.6771516544. The cubic root of 4042121032 is about 1592.9535218985.

Adding to 4042121032 its reverse (2301212404), we get a palindrome (6343333436).

The spelling of 4042121032 in words is "four billion, forty-two million, one hundred twenty-one thousand, thirty-two".