1012243061 has 4 divisors (see below), whose sum is σ = 1012312224. Its totient is φ = 1012173900.

The previous prime is 1012243049. The next prime is 1012243123. The reversal of 1012243061 is 1603422101.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012243061 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 (1012243261) 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 3 ways as a sum of consecutive naturals, for example, 3035 + ... + 45096.

It is an arithmetic number, because the mean of its divisors is an integer number (253078056).

Almost surely, 2^1012243061 is an apocalyptic number.

It is an amenable number.

1012243061 is a deficient number, since it is larger than the sum of its proper divisors (69163).

1012243061 is an equidigital number, since it uses as much as digits as its factorization.

1012243061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69162.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1012243061 is about 31815.7674903498. The cubic root of 1012243061 is about 1004.0644779705.

Adding to 1012243061 its reverse (1603422101), we get a palindrome (2615665162).

The spelling of 1012243061 in words is "one billion, twelve million, two hundred forty-three thousand, sixty-one".