119121945 has 32 divisors (see below), whose sum is σ = 199584000. Its totient is φ = 60555264.

The previous prime is 119121931. The next prime is 119121979. The reversal of 119121945 is 549121911.

It is not a de Polignac number, because 119121945 - 2⁶ = 119121881 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154521 + ... + 155289.

It is an arithmetic number, because the mean of its divisors is an integer number (6237000).

Almost surely, 2^119121945 is an apocalyptic number.

119121945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

119121945 is a deficient number, since it is larger than the sum of its proper divisors (80462055).

119121945 is a wasteful number, since it uses less digits than its factorization.

119121945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249.

The product of its digits is 3240, while the sum is 33.

The square root of 119121945 is about 10914.3000233638. The cubic root of 119121945 is about 492.0364298162.

The spelling of 119121945 in words is "one hundred nineteen million, one hundred twenty-one thousand, nine hundred forty-five".