1023211461 has 4 divisors (see below), whose sum is σ = 1364281952. Its totient is φ = 682140972.

The previous prime is 1023211447. The next prime is 1023211463. The reversal of 1023211461 is 1641123201.

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: 1641123201 = 3 ⋅547041067.

It is not a de Polignac number, because 1023211461 - 2⁵ = 1023211429 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 (1023211463) 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, 170535241 + ... + 170535246.

It is an arithmetic number, because the mean of its divisors is an integer number (341070488).

Almost surely, 2^1023211461 is an apocalyptic number.

It is an amenable number.

1023211461 is a deficient number, since it is larger than the sum of its proper divisors (341070491).

1023211461 is an equidigital number, since it uses as much as digits as its factorization.

1023211461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341070490.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1023211461 is about 31987.6767052564. The cubic root of 1023211461 is about 1007.6780503298.

Adding to 1023211461 its reverse (1641123201), we get a palindrome (2664334662).

The spelling of 1023211461 in words is "one billion, twenty-three million, two hundred eleven thousand, four hundred sixty-one".