1220524097 has 16 divisors (see below), whose sum is σ = 1332958032. Its totient is φ = 1110835200.

The previous prime is 1220524079. The next prime is 1220524099. The reversal of 1220524097 is 7904250221.

It is a Cunningham number, because it is equal to 34936²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 6071296 + 1214452801 = 2464^2 + 34849^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220524097 - 2¹⁴ = 1220507713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220524099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335633 + ... + 339249.

It is an arithmetic number, because the mean of its divisors is an integer number (83309877).

Almost surely, 2^1220524097 is an apocalyptic number.

It is an amenable number.

1220524097 is a deficient number, since it is larger than the sum of its proper divisors (112433935).

1220524097 is a wasteful number, since it uses less digits than its factorization.

1220524097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1220524097 is about 34936.0000143119. Note that the first 4 decimals coincide. The cubic root of 1220524097 is about 1068.6827173220.

The spelling of 1220524097 in words is "one billion, two hundred twenty million, five hundred twenty-four thousand, ninety-seven".