1220014531 has 2 divisors, whose sum is σ = 1220014532. Its totient is φ = 1220014530.

The previous prime is 1220014519. The next prime is 1220014561. The reversal of 1220014531 is 1354100221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220014531 - 2¹³ = 1220006339 is a prime.

It is a super-2 number, since 2×1220014531² = 2976870911702299922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220014499 and 1220014508.

It is not a weakly prime, because it can be changed into another prime (1220014561) 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 as a sum of consecutive naturals, namely, 610007265 + 610007266.

It is an arithmetic number, because the mean of its divisors is an integer number (610007266).

Almost surely, 2^1220014531 is an apocalyptic number.

1220014531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220014531 is an equidigital number, since it uses as much as digits as its factorization.

1220014531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1220014531 is about 34928.7064031865. The cubic root of 1220014531 is about 1068.5339724286.

Adding to 1220014531 its reverse (1354100221), we get a palindrome (2574114752).

The spelling of 1220014531 in words is "one billion, two hundred twenty million, fourteen thousand, five hundred thirty-one".