245120503 has 8 divisors (see below), whose sum is σ = 253415936. Its totient is φ = 236849400.

The previous prime is 245120461. The next prime is 245120527. The reversal of 245120503 is 305021542.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245120503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245120543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15700 + ... + 27142.

It is an arithmetic number, because the mean of its divisors is an integer number (31676992).

Almost surely, 2^245120503 is an apocalyptic number.

245120503 is a deficient number, since it is larger than the sum of its proper divisors (8295433).

245120503 is a wasteful number, since it uses less digits than its factorization.

245120503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12165.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 245120503 is about 15656.3246964286. The cubic root of 245120503 is about 625.8350463792.

The spelling of 245120503 in words is "two hundred forty-five million, one hundred twenty thousand, five hundred three".