109271542 has 4 divisors (see below), whose sum is σ = 163907316. Its totient is φ = 54635770.

The previous prime is 109271521. The next prime is 109271543. The reversal of 109271542 is 245172901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245172901 = 619 ⋅396079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109271543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27317884 + ... + 27317887.

It is an arithmetic number, because the mean of its divisors is an integer number (40976829).

Almost surely, 2^109271542 is an apocalyptic number.

109271542 is a deficient number, since it is larger than the sum of its proper divisors (54635774).

109271542 is an equidigital number, since it uses as much as digits as its factorization.

109271542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54635773.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 109271542 is about 10453.3029230000. The cubic root of 109271542 is about 478.0819610511.

The spelling of 109271542 in words is "one hundred nine million, two hundred seventy-one thousand, five hundred forty-two".