1220262029 has 8 divisors (see below), whose sum is σ = 1442674560. Its totient is φ = 1009871856.

The previous prime is 1220262011. The next prime is 1220262053. The reversal of 1220262029 is 9202620221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1220262029 - 2¹² = 1220257933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220261989 and 1220262007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220262529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3005369 + ... + 3005774.

It is an arithmetic number, because the mean of its divisors is an integer number (180334320).

Almost surely, 2^1220262029 is an apocalyptic number.

It is an amenable number.

1220262029 is a deficient number, since it is larger than the sum of its proper divisors (222412531).

1220262029 is an equidigital number, since it uses as much as digits as its factorization.

1220262029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6011179.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1220262029 is about 34932.2491259867. The cubic root of 1220262029 is about 1068.6062235189.

The spelling of 1220262029 in words is "one billion, two hundred twenty million, two hundred sixty-two thousand, twenty-nine".