109940427 has 12 divisors (see below), whose sum is σ = 159196440. Its totient is φ = 73111968.

The previous prime is 109940417. The next prime is 109940443. The reversal of 109940427 is 724049901.

It is not a de Polignac number, because 109940427 - 2¹⁴ = 109924043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109940391 and 109940400.

It is not an unprimeable number, because it can be changed into a prime (109940417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11253 + ... + 18614.

It is an arithmetic number, because the mean of its divisors is an integer number (13266370).

Almost surely, 2^109940427 is an apocalyptic number.

109940427 is a deficient number, since it is larger than the sum of its proper divisors (49256013).

109940427 is a wasteful number, since it uses less digits than its factorization.

109940427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30282 (or 30279 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 109940427 is about 10485.2480657350. The cubic root of 109940427 is about 479.0554733428.

The spelling of 109940427 in words is "one hundred nine million, nine hundred forty thousand, four hundred twenty-seven".