1229420697 has 8 divisors (see below), whose sum is σ = 1677349344. Its totient is φ = 800552928.

The previous prime is 1229420683. The next prime is 1229420713. The reversal of 1229420697 is 7960249221.

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

It is not a de Polignac number, because 1229420697 - 2¹¹ = 1229418649 is a prime.

It is a super-2 number, since 2×1229420697² = 3022950500423931618, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1229422697) 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, 4765068 + ... + 4765325.

It is an arithmetic number, because the mean of its divisors is an integer number (209668668).

Almost surely, 2^1229420697 is an apocalyptic number.

It is an amenable number.

1229420697 is a deficient number, since it is larger than the sum of its proper divisors (447928647).

1229420697 is an equidigital number, since it uses as much as digits as its factorization.

1229420697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9530439.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1229420697 is about 35063.0959414596. The cubic root of 1229420697 is about 1071.2730348368.

The spelling of 1229420697 in words is "one billion, two hundred twenty-nine million, four hundred twenty thousand, six hundred ninety-seven".