4251145122 has 48 divisors (see below), whose sum is σ = 10538386560. Its totient is φ = 1213258176.

The previous prime is 4251145121. The next prime is 4251145169. The reversal of 4251145122 is 2215411524.

It is a happy number.

4251145122 is a `hidden beast` number, since 425 + 114 + 5 + 122 = 666.

It is not an unprimeable number, because it can be changed into a prime (4251145121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97438 + ... + 134150.

It is an arithmetic number, because the mean of its divisors is an integer number (219549720).

Almost surely, 2^4251145122 is an apocalyptic number.

4251145122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4251145122 is an abundant number, since it is smaller than the sum of its proper divisors (6287241438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4251145122 is a wasteful number, since it uses less digits than its factorization.

4251145122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37647 (or 37644 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 4251145122 is about 65200.8061453231. The cubic root of 4251145122 is about 1619.9513679960.

Adding to 4251145122 its reverse (2215411524), we get a palindrome (6466556646).

The spelling of 4251145122 in words is "four billion, two hundred fifty-one million, one hundred forty-five thousand, one hundred twenty-two".