1220000141 has 8 divisors (see below), whose sum is σ = 1250235000. Its totient is φ = 1189788160.

The previous prime is 1220000129. The next prime is 1220000153. The reversal of 1220000141 is 1410000221.

It is an interprime number because it is at equal distance from previous prime (1220000129) and next prime (1220000153).

It can be written as a sum of positive squares in 4 ways, for example, as 6522916 + 1213477225 = 2554^2 + 34835^2 .

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 1220000141 - 2⁶ = 1220000077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220000191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162335 + ... + 169683.

It is an arithmetic number, because the mean of its divisors is an integer number (156279375).

Almost surely, 2^1220000141 is an apocalyptic number.

It is an amenable number.

1220000141 is a deficient number, since it is larger than the sum of its proper divisors (30234859).

1220000141 is an equidigital number, since it uses as much as digits as its factorization.

1220000141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11439.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1220000141 is about 34928.5004115550. The cubic root of 1220000141 is about 1068.5297713135.

Adding to 1220000141 its reverse (1410000221), we get a palindrome (2630000362).

The spelling of 1220000141 in words is "one billion, two hundred twenty million, one hundred forty-one", and thus it is an aban number.