1001099010 has 32 divisors (see below), whose sum is σ = 2467576512. Its totient is φ = 259744320.

The previous prime is 1001099003. The next prime is 1001099023. The reversal of 1001099010 is 109901001.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449836 + ... + 452055.

It is an arithmetic number, because the mean of its divisors is an integer number (77111766).

Almost surely, 2^1001099010 is an apocalyptic number.

1001099010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001099010 is an abundant number, since it is smaller than the sum of its proper divisors (1466477502).

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

1001099010 is a wasteful number, since it uses less digits than its factorization.

1001099010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901938.

The product of its (nonzero) digits is 81, while the sum is 21.

The square root of 1001099010 is about 31640.1487038225. The cubic root of 1001099010 is about 1000.3662025460.

The spelling of 1001099010 in words is "one billion, one million, ninety-nine thousand, ten".