109212054 has 16 divisors (see below), whose sum is σ = 249627648. Its totient is φ = 31203432.

The previous prime is 109212043. The next prime is 109212079. The reversal of 109212054 is 450212901.

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, 1300102 + ... + 1300185.

It is an arithmetic number, because the mean of its divisors is an integer number (15601728).

Almost surely, 2^109212054 is an apocalyptic number.

109212054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

109212054 is an abundant number, since it is smaller than the sum of its proper divisors (140415594).

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

109212054 is a wasteful number, since it uses less digits than its factorization.

109212054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600299.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 109212054 is about 10450.4571191886. The cubic root of 109212054 is about 477.9951885279.

Adding to 109212054 its reverse (450212901), we get a palindrome (559424955).

The spelling of 109212054 in words is "one hundred nine million, two hundred twelve thousand, fifty-four".