1012420422 has 24 divisors (see below), whose sum is σ = 2362314864. Its totient is φ = 311513904.

The previous prime is 1012420391. The next prime is 1012420439. The reversal of 1012420422 is 2240242101.

1012420422 is a `hidden beast` number, since 1 + 0 + 1 + 242 + 0 + 422 = 666.

1012420422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1012420422² = 2049990221765316168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1012420395 and 1012420404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2163058 + ... + 2163525.

It is an arithmetic number, because the mean of its divisors is an integer number (98429786).

Almost surely, 2^1012420422 is an apocalyptic number.

1012420422 is an abundant number, since it is smaller than the sum of its proper divisors (1349894442).

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

1012420422 is a wasteful number, since it uses less digits than its factorization.

1012420422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4326604 (or 4326601 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1012420422 is about 31818.5546811919. The cubic root of 1012420422 is about 1004.1231172067.

Adding to 1012420422 its reverse (2240242101), we get a palindrome (3252662523).

The spelling of 1012420422 in words is "one billion, twelve million, four hundred twenty thousand, four hundred twenty-two".