511087122 has 96 divisors (see below), whose sum is σ = 1383537792. Its totient is φ = 132751872.

The previous prime is 511087069. The next prime is 511087139. The reversal of 511087122 is 221780115.

It is a super-2 number, since 2×511087122² = 522420092548485768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107418 + ... + 112074.

It is an arithmetic number, because the mean of its divisors is an integer number (14411852).

Almost surely, 2^511087122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 511087122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691768896).

511087122 is an abundant number, since it is smaller than the sum of its proper divisors (872450670).

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

511087122 is a wasteful number, since it uses less digits than its factorization.

511087122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4752 (or 4749 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 511087122 is about 22607.2360539717. The cubic root of 511087122 is about 799.5242598536.

The spelling of 511087122 in words is "five hundred eleven million, eighty-seven thousand, one hundred twenty-two".