1020231241 has 4 divisors (see below), whose sum is σ = 1021969872. Its totient is φ = 1018492612.

The previous prime is 1020231221. The next prime is 1020231257. The reversal of 1020231241 is 1421320201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1421320201 = 7 ⋅203045743.

It is a cyclic number.

It is not a de Polignac number, because 1020231241 - 2²⁵ = 986676809 is a prime.

It is a super-2 number, since 2×1020231241² = 2081743570224800162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020231221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868435 + ... + 869608.

It is an arithmetic number, because the mean of its divisors is an integer number (255492468).

Almost surely, 2^1020231241 is an apocalyptic number.

It is an amenable number.

1020231241 is a deficient number, since it is larger than the sum of its proper divisors (1738631).

1020231241 is an equidigital number, since it uses as much as digits as its factorization.

1020231241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738630.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1020231241 is about 31941.0588584662. The cubic root of 1020231241 is about 1006.6987732378.

Adding to 1020231241 its reverse (1421320201), we get a palindrome (2441551442).

The spelling of 1020231241 in words is "one billion, twenty million, two hundred thirty-one thousand, two hundred forty-one".