1012413421 has 8 divisors (see below), whose sum is σ = 1026841464. Its totient is φ = 998000640.

The previous prime is 1012413383. The next prime is 1012413433. The reversal of 1012413421 is 1243142101.

It can be written as a sum of positive squares in 4 ways, for example, as 700184521 + 312228900 = 26461^2 + 17670^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012413421 - 2⁷ = 1012413293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012413491) 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 7 ways as a sum of consecutive naturals, for example, 226791 + ... + 231211.

It is an arithmetic number, because the mean of its divisors is an integer number (128355183).

Almost surely, 2^1012413421 is an apocalyptic number.

It is an amenable number.

1012413421 is a deficient number, since it is larger than the sum of its proper divisors (14428043).

1012413421 is an equidigital number, since it uses as much as digits as its factorization.

1012413421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7631.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1012413421 is about 31818.4446665766. Note that the first 3 decimals coincide. The cubic root of 1012413421 is about 1004.1208026603.

Adding to 1012413421 its reverse (1243142101), we get a palindrome (2255555522).

The spelling of 1012413421 in words is "one billion, twelve million, four hundred thirteen thousand, four hundred twenty-one".