245125124 has 6 divisors (see below), whose sum is σ = 428968974. Its totient is φ = 122562560.

The previous prime is 245125121. The next prime is 245125141. The reversal of 245125124 is 421521542.

It can be written as a sum of positive squares in only one way, i.e., 244609600 + 515524 = 15640^2 + 718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 245125093 and 245125102.

It is not an unprimeable number, because it can be changed into a prime (245125121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30640637 + ... + 30640644.

It is an arithmetic number, because the mean of its divisors is an integer number (71494829).

Almost surely, 2^245125124 is an apocalyptic number.

It is an amenable number.

245125124 is a deficient number, since it is larger than the sum of its proper divisors (183843850).

245125124 is a wasteful number, since it uses less digits than its factorization.

245125124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61281285 (or 61281283 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 245125124 is about 15656.4722718753. The cubic root of 245125124 is about 625.8389790919.

Adding to 245125124 its reverse (421521542), we get a palindrome (666646666).

The spelling of 245125124 in words is "two hundred forty-five million, one hundred twenty-five thousand, one hundred twenty-four".