119257945 has 4 divisors (see below), whose sum is σ = 143109540. Its totient is φ = 95406352.

The previous prime is 119257937. The next prime is 119257979. The reversal of 119257945 is 549752911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549752911 = 89 ⋅6176999.

It can be written as a sum of positive squares in 2 ways, for example, as 87853129 + 31404816 = 9373^2 + 5604^2 .

It is a cyclic number.

It is not a de Polignac number, because 119257945 - 2³ = 119257937 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11925790 + ... + 11925799.

It is an arithmetic number, because the mean of its divisors is an integer number (35777385).

Almost surely, 2^119257945 is an apocalyptic number.

It is an amenable number.

119257945 is a deficient number, since it is larger than the sum of its proper divisors (23851595).

119257945 is an equidigital number, since it uses as much as digits as its factorization.

119257945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23851594.

The product of its digits is 113400, while the sum is 43.

The square root of 119257945 is about 10920.5286044220. The cubic root of 119257945 is about 492.2236091657.

It can be divided in two parts, 119 and 257945, that added together give a square (258064 = 508²).

The spelling of 119257945 in words is "one hundred nineteen million, two hundred fifty-seven thousand, nine hundred forty-five".