521234122 has 8 divisors (see below), whose sum is σ = 786371076. Its totient is φ = 259110432.

The previous prime is 521234113. The next prime is 521234123. The reversal of 521234122 is 221432125.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 374848321 + 146385801 = 19361^2 + 12099^2 .

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

It is a super-2 number, since 2×521234122² = 543370019874221768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 521234093 and 521234102.

It is not an unprimeable number, because it can be changed into a prime (521234123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752883 + ... + 753574.

Almost surely, 2^521234122 is an apocalyptic number.

521234122 is a deficient number, since it is larger than the sum of its proper divisors (265136954).

521234122 is a wasteful number, since it uses less digits than its factorization.

521234122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506632.

The product of its digits is 960, while the sum is 22.

The square root of 521234122 is about 22830.5523805273. The cubic root of 521234122 is about 804.7808114323.

Adding to 521234122 its reverse (221432125), we get a palindrome (742666247).

The spelling of 521234122 in words is "five hundred twenty-one million, two hundred thirty-four thousand, one hundred twenty-two".