42103988 has 6 divisors (see below), whose sum is σ = 73681986. Its totient is φ = 21051992.

The previous prime is 42103987. The next prime is 42104003. The reversal of 42103988 is 88930124.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 31787044 + 10316944 = 5638^2 + 3212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42103987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5262995 + ... + 5263002.

It is an arithmetic number, because the mean of its divisors is an integer number (12280331).

Almost surely, 2^42103988 is an apocalyptic number.

It is an amenable number.

42103988 is a deficient number, since it is larger than the sum of its proper divisors (31577998).

42103988 is a wasteful number, since it uses less digits than its factorization.

42103988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10526001 (or 10525999 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 42103988 is about 6488.7585869718. The cubic root of 42103988 is about 347.8893050845.

The spelling of 42103988 in words is "forty-two million, one hundred three thousand, nine hundred eighty-eight".