1020001210 has 16 divisors (see below), whose sum is σ = 1836368136. Its totient is φ = 407919168.

The previous prime is 1020001201. The next prime is 1020001223. The reversal of 1020001210 is 121000201.

It can be written as a sum of positive squares in 4 ways, for example, as 989165401 + 30835809 = 31451^2 + 5553^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1020001193 and 1020001202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84472 + ... + 95788.

Almost surely, 2^1020001210 is an apocalyptic number.

1020001210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020001210 is a deficient number, since it is larger than the sum of its proper divisors (816366926).

1020001210 is a wasteful number, since it uses less digits than its factorization.

1020001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20337.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1020001210 is about 31937.4577886218. The cubic root of 1020001210 is about 1006.6231076036.

Adding to 1020001210 its reverse (121000201), we get a palindrome (1141001411).

The spelling of 1020001210 in words is "one billion, twenty million, one thousand, two hundred ten".