1020126061 has 4 divisors (see below), whose sum is σ = 1064479392. Its totient is φ = 975772732.

The previous prime is 1020126053. The next prime is 1020126067. The reversal of 1020126061 is 1606210201.

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 1020126061 - 2³ = 1020126053 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 (1020126067) 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, 22176631 + ... + 22176676.

It is an arithmetic number, because the mean of its divisors is an integer number (266119848).

Almost surely, 2^1020126061 is an apocalyptic number.

It is an amenable number.

1020126061 is a deficient number, since it is larger than the sum of its proper divisors (44353331).

1020126061 is an equidigital number, since it uses as much as digits as its factorization.

1020126061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44353330.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1020126061 is about 31939.4123458776. The cubic root of 1020126061 is about 1006.6641770889.

Adding to 1020126061 its reverse (1606210201), we get a palindrome (2626336262).

The spelling of 1020126061 in words is "one billion, twenty million, one hundred twenty-six thousand, sixty-one".