1012420431 has 48 divisors (see below), whose sum is σ = 1745704800. Its totient is φ = 577463040.

The previous prime is 1012420391. The next prime is 1012420439. The reversal of 1012420431 is 1340242101.

It is not a de Polignac number, because 1012420431 - 2¹⁴ = 1012404047 is a prime.

It is a super-2 number, since 2×1012420431² = 2049990258212451522, which contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46425 + ... + 64653.

It is an arithmetic number, because the mean of its divisors is an integer number (36368850).

Almost surely, 2^1012420431 is an apocalyptic number.

1012420431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012420431 is a deficient number, since it is larger than the sum of its proper divisors (733284369).

1012420431 is a wasteful number, since it uses less digits than its factorization.

1012420431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18277 (or 18260 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1012420431 is about 31818.5548226188. The cubic root of 1012420431 is about 1004.1231201821.

Adding to 1012420431 its reverse (1340242101), we get a palindrome (2352662532).

The spelling of 1012420431 in words is "one billion, twelve million, four hundred twenty thousand, four hundred thirty-one".