461122121 has 4 divisors (see below), whose sum is σ = 472369044. Its totient is φ = 449875200.

The previous prime is 461122087. The next prime is 461122133. The reversal of 461122121 is 121221164.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15912121 + 445210000 = 3989^2 + 21100^2 .

It is a cyclic number.

It is not a de Polignac number, because 461122121 - 2¹⁰ = 461121097 is a prime.

It is a super-2 number, since 2×461122121² = 425267220951077282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461122093 and 461122102.

It is not an unprimeable number, because it can be changed into a prime (461122421) 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, 5623400 + ... + 5623481.

It is an arithmetic number, because the mean of its divisors is an integer number (118092261).

Almost surely, 2^461122121 is an apocalyptic number.

461122121 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

461122121 is a deficient number, since it is larger than the sum of its proper divisors (11246923).

461122121 is a wasteful number, since it uses less digits than its factorization.

461122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11246922.

The product of its digits is 192, while the sum is 20.

The square root of 461122121 is about 21473.7542362764. The cubic root of 461122121 is about 772.5714451644.

Adding to 461122121 its reverse (121221164), we get a palindrome (582343285).

The spelling of 461122121 in words is "four hundred sixty-one million, one hundred twenty-two thousand, one hundred twenty-one".