421012036 has 12 divisors (see below), whose sum is σ = 744066540. Its totient is φ = 208421600.

The previous prime is 421012027. The next prime is 421012061. The reversal of 421012036 is 630210124.

It can be written as a sum of positive squares in 2 ways, for example, as 387302400 + 33709636 = 19680^2 + 5806^2 .

It is a super-2 number, since 2×421012036² = 354502268913730592, which contains 22 as substring.

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, 520651 + ... + 521458.

It is an arithmetic number, because the mean of its divisors is an integer number (62005545).

Almost surely, 2^421012036 is an apocalyptic number.

It is an amenable number.

421012036 is a deficient number, since it is larger than the sum of its proper divisors (323054504).

421012036 is a wasteful number, since it uses less digits than its factorization.

421012036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042214 (or 1042212 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 421012036 is about 20518.5778259606. The cubic root of 421012036 is about 749.4882648415.

The spelling of 421012036 in words is "four hundred twenty-one million, twelve thousand, thirty-six".