420734122 has 16 divisors (see below), whose sum is σ = 672235200. Its totient is φ = 196804288.

The previous prime is 420734089. The next prime is 420734123. The reversal of 420734122 is 221437024.

It is a happy number.

It is a super-2 number, since 2×420734122² = 354034402830221768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420734123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31372 + ... + 42727.

It is an arithmetic number, because the mean of its divisors is an integer number (42014700).

Almost surely, 2^420734122 is an apocalyptic number.

420734122 is a deficient number, since it is larger than the sum of its proper divisors (251501078).

420734122 is a wasteful number, since it uses less digits than its factorization.

420734122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74285.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 420734122 is about 20511.8044549962. The cubic root of 420734122 is about 749.3233137928.

The spelling of 420734122 in words is "four hundred twenty million, seven hundred thirty-four thousand, one hundred twenty-two".