119942545 has 8 divisors (see below), whose sum is σ = 144121896. Its totient is φ = 95826816.

The previous prime is 119942513. The next prime is 119942549. The reversal of 119942545 is 545249911.

It can be written as a sum of positive squares in 4 ways, for example, as 2458624 + 117483921 = 1568^2 + 10839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 119942545 - 2⁵ = 119942513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 119942498 and 119942507.

It is not an unprimeable number, because it can be changed into a prime (119942549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11652 + ... + 19381.

It is an arithmetic number, because the mean of its divisors is an integer number (18015237).

Almost surely, 2^119942545 is an apocalyptic number.

It is an amenable number.

119942545 is a deficient number, since it is larger than the sum of its proper divisors (24179351).

119942545 is an equidigital number, since it uses as much as digits as its factorization.

119942545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31811.

The product of its digits is 64800, while the sum is 40.

The square root of 119942545 is about 10951.8283861646. The cubic root of 119942545 is about 493.1636821799.

The spelling of 119942545 in words is "one hundred nineteen million, nine hundred forty-two thousand, five hundred forty-five".