109541012 has 24 divisors (see below), whose sum is σ = 224427840. Its totient is φ = 45800640.

The previous prime is 109541009. The next prime is 109541039. The reversal of 109541012 is 210145901.

It is a happy number.

It is a congruent number.

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, 46562 + ... + 48857.

It is an arithmetic number, because the mean of its divisors is an integer number (9351160).

Almost surely, 2^109541012 is an apocalyptic number.

It is an amenable number.

109541012 is an abundant number, since it is smaller than the sum of its proper divisors (114886828).

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

109541012 is a wasteful number, since it uses less digits than its factorization.

109541012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95471 (or 95469 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 109541012 is about 10466.1842139339. The cubic root of 109541012 is about 478.4746311181.

Adding to 109541012 its reverse (210145901), we get a palindrome (319686913).

The spelling of 109541012 in words is "one hundred nine million, five hundred forty-one thousand, twelve".