1220452041 has 16 divisors (see below), whose sum is σ = 1659424320. Its totient is φ = 797584320.

The previous prime is 1220452031. The next prime is 1220452069. The reversal of 1220452041 is 1402540221.

It is a de Polignac number, because none of the positive numbers 2^k-1220452041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220451999 and 1220452017.

It is not an unprimeable number, because it can be changed into a prime (1220452001) 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 15 ways as a sum of consecutive naturals, for example, 229351 + ... + 234611.

It is an arithmetic number, because the mean of its divisors is an integer number (103714020).

Almost surely, 2^1220452041 is an apocalyptic number.

It is an amenable number.

1220452041 is a deficient number, since it is larger than the sum of its proper divisors (438972279).

1220452041 is a wasteful number, since it uses less digits than its factorization.

1220452041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6776.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1220452041 is about 34934.9687419354. The cubic root of 1220452041 is about 1068.6616863246.

Adding to 1220452041 its reverse (1402540221), we get a palindrome (2622992262).

The spelling of 1220452041 in words is "one billion, two hundred twenty million, four hundred fifty-two thousand, forty-one".