1012420430 has 32 divisors (see below), whose sum is σ = 2093294016. Its totient is φ = 345348864.

The previous prime is 1012420391. The next prime is 1012420439. The reversal of 1012420430 is 340242101.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1012420399 and 1012420408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012420439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22919 + ... + 50498.

It is an arithmetic number, because the mean of its divisors is an integer number (65415438).

Almost surely, 2^1012420430 is an apocalyptic number.

1012420430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012420430 is an abundant number, since it is smaller than the sum of its proper divisors (1080873586).

1012420430 is a wasteful number, since it uses less digits than its factorization.

1012420430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73628.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1012420430 is about 31818.5548069047. The cubic root of 1012420430 is about 1004.1231198515.

Adding to 1012420430 its reverse (340242101), we get a palindrome (1352662531).

The spelling of 1012420430 in words is "one billion, twelve million, four hundred twenty thousand, four hundred thirty".