1220031241 has 8 divisors (see below), whose sum is σ = 1433323584. Its totient is φ = 1023802320.

The previous prime is 1220031209. The next prime is 1220031259. The reversal of 1220031241 is 1421300221.

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 1220031241 - 2⁵ = 1220031209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220031041) 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, 4265701 + ... + 4265986.

It is an arithmetic number, because the mean of its divisors is an integer number (179165448).

Almost surely, 2^1220031241 is an apocalyptic number.

1220031241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1220031241 is a deficient number, since it is larger than the sum of its proper divisors (213292343).

1220031241 is a wasteful number, since it uses less digits than its factorization.

1220031241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8531711.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1220031241 is about 34928.9456038971. The cubic root of 1220031241 is about 1068.5388508189.

Adding to 1220031241 its reverse (1421300221), we get a palindrome (2641331462).

The spelling of 1220031241 in words is "one billion, two hundred twenty million, thirty-one thousand, two hundred forty-one".