1220052437 has 2 divisors, whose sum is σ = 1220052438. Its totient is φ = 1220052436.

The previous prime is 1220052391. The next prime is 1220052439. The reversal of 1220052437 is 7342500221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1195361476 + 24690961 = 34574^2 + 4969^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220052437 - 2¹² = 1220048341 is a prime.

Together with 1220052439, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220052439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610026218 + 610026219.

It is an arithmetic number, because the mean of its divisors is an integer number (610026219).

Almost surely, 2^1220052437 is an apocalyptic number.

It is an amenable number.

1220052437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220052437 is an equidigital number, since it uses as much as digits as its factorization.

1220052437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 1220052437 is about 34929.2490185518. The cubic root of 1220052437 is about 1068.5450388075.

Adding to 1220052437 its reverse (7342500221), we get a palindrome (8562552658).

The spelling of 1220052437 in words is "one billion, two hundred twenty million, fifty-two thousand, four hundred thirty-seven".