109126215 has 96 divisors (see below), whose sum is σ = 223292160. Its totient is φ = 48729600.

The previous prime is 109126211. The next prime is 109126267. The reversal of 109126215 is 512621901.

It is not a de Polignac number, because 109126215 - 2² = 109126211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109126211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 385464 + ... + 385746.

It is an arithmetic number, because the mean of its divisors is an integer number (2325960).

Almost surely, 2^109126215 is an apocalyptic number.

109126215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109126215 is an abundant number, since it is smaller than the sum of its proper divisors (114165945).

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

109126215 is a wasteful number, since it uses less digits than its factorization.

109126215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 109126215 is about 10446.3493623371. The cubic root of 109126215 is about 477.8699234068.

The spelling of 109126215 in words is "one hundred nine million, one hundred twenty-six thousand, two hundred fifteen".