4018129122 has 16 divisors (see below), whose sum is σ = 9184295232. Its totient is φ = 1148036880.

The previous prime is 4018129117. The next prime is 4018129147. The reversal of 4018129122 is 2219218104.

It is a happy number.

It is a super-2 number, since 2×4018129122² = 32290723282128981768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4018129122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47834829 + ... + 47834912.

It is an arithmetic number, because the mean of its divisors is an integer number (574018452).

Almost surely, 2^4018129122 is an apocalyptic number.

4018129122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4018129122 is an abundant number, since it is smaller than the sum of its proper divisors (5166166110).

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

4018129122 is a wasteful number, since it uses less digits than its factorization.

4018129122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95669753.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 4018129122 is about 63388.7144687444. The cubic root of 4018129122 is about 1589.7956202630.

The spelling of 4018129122 in words is "four billion, eighteen million, one hundred twenty-nine thousand, one hundred twenty-two".