420031122 has 16 divisors (see below), whose sum is σ = 960071232. Its totient is φ = 120008880.

The previous prime is 420031109. The next prime is 420031153. The reversal of 420031122 is 221130024.

It is a super-2 number, since 2×420031122² = 352852286897157768, which contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 5000329 + ... + 5000412.

It is an arithmetic number, because the mean of its divisors is an integer number (60004452).

Almost surely, 2^420031122 is an apocalyptic number.

420031122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

420031122 is an abundant number, since it is smaller than the sum of its proper divisors (540040110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420031122 is a wasteful number, since it uses less digits than its factorization.

420031122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000753.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 420031122 is about 20494.6608169055. The cubic root of 420031122 is about 748.9057357798.

Adding to 420031122 its reverse (221130024), we get a palindrome (641161146).

The spelling of 420031122 in words is "four hundred twenty million, thirty-one thousand, one hundred twenty-two".