1220297053 has 2 divisors, whose sum is σ = 1220297054. Its totient is φ = 1220297052.

The previous prime is 1220296967. The next prime is 1220297087. The reversal of 1220297053 is 3507920221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1203951204 + 16345849 = 34698^2 + 4043^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220297053 - 2⁹ = 1220296541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220997053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610148526 + 610148527.

It is an arithmetic number, because the mean of its divisors is an integer number (610148527).

Almost surely, 2^1220297053 is an apocalyptic number.

It is an amenable number.

1220297053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220297053 is an equidigital number, since it uses as much as digits as its factorization.

1220297053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1220297053 is about 34932.7504356585. The cubic root of 1220297053 is about 1068.6164471444.

The spelling of 1220297053 in words is "one billion, two hundred twenty million, two hundred ninety-seven thousand, fifty-three".