245121119 has 4 divisors (see below), whose sum is σ = 249139560. Its totient is φ = 241102680.

The previous prime is 245121103. The next prime is 245121133. The reversal of 245121119 is 911121542.

245121119 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245121119 - 2⁴ = 245121103 is a prime.

It is a super-2 number, since 2×245121119² = 120168725959624322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245121179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009129 + ... + 2009250.

It is an arithmetic number, because the mean of its divisors is an integer number (62284890).

Almost surely, 2^245121119 is an apocalyptic number.

245121119 is a deficient number, since it is larger than the sum of its proper divisors (4018441).

245121119 is an equidigital number, since it uses as much as digits as its factorization.

245121119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018440.

The product of its digits is 720, while the sum is 26.

The square root of 245121119 is about 15656.3443689771. The cubic root of 245121119 is about 625.8355706303.

The spelling of 245121119 in words is "two hundred forty-five million, one hundred twenty-one thousand, one hundred nineteen".