42873122 has 4 divisors (see below), whose sum is σ = 64309686. Its totient is φ = 21436560.

The previous prime is 42873113. The next prime is 42873203. The reversal of 42873122 is 22137824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41357761 + 1515361 = 6431^2 + 1231^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10718279 + ... + 10718282.

Almost surely, 2^42873122 is an apocalyptic number.

42873122 is a deficient number, since it is larger than the sum of its proper divisors (21436564).

42873122 is a wasteful number, since it uses less digits than its factorization.

42873122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21436563.

The product of its digits is 5376, while the sum is 29.

The square root of 42873122 is about 6547.7570205376. The cubic root of 42873122 is about 349.9948897213.

The spelling of 42873122 in words is "forty-two million, eight hundred seventy-three thousand, one hundred twenty-two".