1220010497 has 2 divisors, whose sum is σ = 1220010498. Its totient is φ = 1220010496.

The previous prime is 1220010481. The next prime is 1220010511. The reversal of 1220010497 is 7940100221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 832668736 + 387341761 = 28856^2 + 19681^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220010497 - 2⁴ = 1220010481 is a prime.

It is a super-2 number, since 2×1220010497² = 2976851225580374018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1220010397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610005248 + 610005249.

It is an arithmetic number, because the mean of its divisors is an integer number (610005249).

Almost surely, 2^1220010497 is an apocalyptic number.

It is an amenable number.

1220010497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220010497 is an equidigital number, since it uses as much as digits as its factorization.

1220010497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1220010497 is about 34928.6486569406. The cubic root of 1220010497 is about 1068.5327947184.

The spelling of 1220010497 in words is "one billion, two hundred twenty million, ten thousand, four hundred ninety-seven".