42122703 has 48 divisors (see below), whose sum is σ = 69521760. Its totient is φ = 22579200.

The previous prime is 42122701. The next prime is 42122711. The reversal of 42122703 is 30722124.

It is not a de Polignac number, because 42122703 - 2¹ = 42122701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 42122703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42122701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 174663 + ... + 174903.

It is an arithmetic number, because the mean of its divisors is an integer number (1448370).

Almost surely, 2^42122703 is an apocalyptic number.

42122703 is a deficient number, since it is larger than the sum of its proper divisors (27399057).

42122703 is a wasteful number, since it uses less digits than its factorization.

42122703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 42122703 is about 6490.2005361930. The cubic root of 42122703 is about 347.9408424346.

Adding to 42122703 its reverse (30722124), we get a palindrome (72844827).

The spelling of 42122703 in words is "forty-two million, one hundred twenty-two thousand, seven hundred three".