1020122010 has 24 divisors (see below), whose sum is σ = 2652317460. Its totient is φ = 272032512.

The previous prime is 1020122003. The next prime is 1020122029. The reversal of 1020122010 is 102210201.

It can be written as a sum of positive squares in 2 ways, for example, as 1019461041 + 660969 = 31929^2 + 813^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1020121983 and 1020122001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5667255 + ... + 5667434.

Almost surely, 2^1020122010 is an apocalyptic number.

1020122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020122010 is an abundant number, since it is smaller than the sum of its proper divisors (1632195450).

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

1020122010 is a wasteful number, since it uses less digits than its factorization.

1020122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11334702 (or 11334699 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1020122010 is about 31939.3489288683. The cubic root of 1020122010 is about 1006.6628445732.

Adding to 1020122010 its reverse (102210201), we get a palindrome (1122332211).

The spelling of 1020122010 in words is "one billion, twenty million, one hundred twenty-two thousand, ten".