1012009110 has 32 divisors (see below), whose sum is σ = 2775796992. Its totient is φ = 231316320.

The previous prime is 1012009073. The next prime is 1012009111. The reversal of 1012009110 is 119002101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1012009110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012009111) 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, 2409336 + ... + 2409755.

It is an arithmetic number, because the mean of its divisors is an integer number (86743656).

Almost surely, 2^1012009110 is an apocalyptic number.

1012009110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012009110 is an abundant number, since it is smaller than the sum of its proper divisors (1763787882).

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

1012009110 is a wasteful number, since it uses less digits than its factorization.

1012009110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819108.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 1012009110 is about 31812.0906260497. The cubic root of 1012009110 is about 1003.9871184254.

The spelling of 1012009110 in words is "one billion, twelve million, nine thousand, one hundred ten".