1012420313 has 4 divisors (see below), whose sum is σ = 1025235840. Its totient is φ = 999604788.

The previous prime is 1012420291. The next prime is 1012420391. The reversal of 1012420313 is 3130242101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1012420313 - 2¹⁴ = 1012403929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012420291 and 1012420300.

It is not an unprimeable number, because it can be changed into a prime (1012420813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6407645 + ... + 6407802.

It is an arithmetic number, because the mean of its divisors is an integer number (256308960).

Almost surely, 2^1012420313 is an apocalyptic number.

It is an amenable number.

1012420313 is a deficient number, since it is larger than the sum of its proper divisors (12815527).

1012420313 is an equidigital number, since it uses as much as digits as its factorization.

1012420313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12815526.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1012420313 is about 31818.5529683548. The cubic root of 1012420313 is about 1004.1230811711.

Adding to 1012420313 its reverse (3130242101), we get a palindrome (4142662414).

The spelling of 1012420313 in words is "one billion, twelve million, four hundred twenty thousand, three hundred thirteen".