109051456 has 56 divisors (see below), whose sum is σ = 222528384. Its totient is φ = 53007360.

The previous prime is 109051451. The next prime is 109051457. The reversal of 109051456 is 654150901.

It is not an unprimeable number, because it can be changed into a prime (109051451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467916 + ... + 468148.

Almost surely, 2^109051456 is an apocalyptic number.

109051456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109051456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111264192).

109051456 is an abundant number, since it is smaller than the sum of its proper divisors (113476928).

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

109051456 is a wasteful number, since it uses less digits than its factorization.

109051456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 109051456 is about 10442.7705136137. The cubic root of 109051456 is about 477.7607738355.

The spelling of 109051456 in words is "one hundred nine million, fifty-one thousand, four hundred fifty-six".