1001005210 has 32 divisors (see below), whose sum is σ = 1836535680. Its totient is φ = 392716608.

The previous prime is 1001005207. The next prime is 1001005211. The reversal of 1001005210 is 125001001.

It is a happy number.

1001005210 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1001005210² = 2004022860894288200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1001005211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295084 + ... + 298456.

It is an arithmetic number, because the mean of its divisors is an integer number (57391740).

Almost surely, 2^1001005210 is an apocalyptic number.

1001005210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001005210 is a deficient number, since it is larger than the sum of its proper divisors (835530470).

1001005210 is a wasteful number, since it uses less digits than its factorization.

1001005210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 1001005210 is about 31638.6663751809. Note that the first 3 decimals coincide. The cubic root of 1001005210 is about 1000.3349577908.

Adding to 1001005210 its reverse (125001001), we get a palindrome (1126006211).

The spelling of 1001005210 in words is "one billion, one million, five thousand, two hundred ten".