420288122 has 8 divisors (see below), whose sum is σ = 630573876. Its totient is φ = 210096832.

The previous prime is 420288091. The next prime is 420288139. The reversal of 420288122 is 221882024.

It can be written as a sum of positive squares in 2 ways, for example, as 416935561 + 3352561 = 20419^2 + 1831^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11183 + ... + 31074.

Almost surely, 2^420288122 is an apocalyptic number.

420288122 is a deficient number, since it is larger than the sum of its proper divisors (210285754).

420288122 is a wasteful number, since it uses less digits than its factorization.

420288122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47232.

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 420288122 is about 20500.9297837927. The cubic root of 420288122 is about 749.0584463154.

The spelling of 420288122 in words is "four hundred twenty million, two hundred eighty-eight thousand, one hundred twenty-two".