1020651126 has 32 divisors (see below), whose sum is σ = 2228957568. Its totient is φ = 308999040.

The previous prime is 1020651119. The next prime is 1020651127. The reversal of 1020651126 is 6211560201.

It is a junction number, because it is equal to n+sod(n) for n = 1020651096 and 1020651105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020651127) 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 15 ways as a sum of consecutive naturals, for example, 70110 + ... + 83406.

It is an arithmetic number, because the mean of its divisors is an integer number (69654924).

Almost surely, 2^1020651126 is an apocalyptic number.

1020651126 is an abundant number, since it is smaller than the sum of its proper divisors (1208306442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020651126 is a wasteful number, since it uses less digits than its factorization.

1020651126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14476.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1020651126 is about 31947.6309919844. The cubic root of 1020651126 is about 1006.8368594946.

The spelling of 1020651126 in words is "one billion, twenty million, six hundred fifty-one thousand, one hundred twenty-six".