1022113461 has 4 divisors (see below), whose sum is σ = 1362817952. Its totient is φ = 681408972.

The previous prime is 1022113459. The next prime is 1022113471. The reversal of 1022113461 is 1643112201.

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 not a de Polignac number, because 1022113461 - 2¹ = 1022113459 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 (1022113441) 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, 170352241 + ... + 170352246.

It is an arithmetic number, because the mean of its divisors is an integer number (340704488).

Almost surely, 2^1022113461 is an apocalyptic number.

It is an amenable number.

1022113461 is a deficient number, since it is larger than the sum of its proper divisors (340704491).

1022113461 is an equidigital number, since it uses as much as digits as its factorization.

1022113461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340704490.

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

The square root of 1022113461 is about 31970.5092389846. The cubic root of 1022113461 is about 1007.3174775826.

Adding to 1022113461 its reverse (1643112201), we get a palindrome (2665225662).

The spelling of 1022113461 in words is "one billion, twenty-two million, one hundred thirteen thousand, four hundred sixty-one".