1220046121 has 8 divisors (see below), whose sum is σ = 1403697600. Its totient is φ = 1038734448.

The previous prime is 1220046097. The next prime is 1220046127. The reversal of 1220046121 is 1216400221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220046121 - 2¹¹ = 1220044073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220046127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583831 + ... + 585916.

It is an arithmetic number, because the mean of its divisors is an integer number (175462200).

Almost surely, 2^1220046121 is an apocalyptic number.

It is an amenable number.

1220046121 is a deficient number, since it is larger than the sum of its proper divisors (183651479).

1220046121 is a wasteful number, since it uses less digits than its factorization.

1220046121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169903.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1220046121 is about 34929.1586071007. The cubic root of 1220046121 is about 1068.5431949135.

Adding to 1220046121 its reverse (1216400221), we get a palindrome (2436446342).

The spelling of 1220046121 in words is "one billion, two hundred twenty million, forty-six thousand, one hundred twenty-one".