42051124 has 6 divisors (see below), whose sum is σ = 73589474. Its totient is φ = 21025560.

The previous prime is 42051091. The next prime is 42051151. The reversal of 42051124 is 42115024.

It can be written as a sum of positive squares in only one way, i.e., 25502500 + 16548624 = 5050^2 + 4068^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5256387 + ... + 5256394.

Almost surely, 2^42051124 is an apocalyptic number.

It is an amenable number.

42051124 is a deficient number, since it is larger than the sum of its proper divisors (31538350).

42051124 is a wasteful number, since it uses less digits than its factorization.

42051124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10512785 (or 10512783 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 42051124 is about 6484.6838010808. The cubic root of 42051124 is about 347.7436457033.

Adding to 42051124 its reverse (42115024), we get a palindrome (84166148).

It can be divided in two parts, 4205 and 1124, that added together give a square (5329 = 73²).

The spelling of 42051124 in words is "forty-two million, fifty-one thousand, one hundred twenty-four".