1226734642 has 8 divisors (see below), whose sum is σ = 2102973696. Its totient is φ = 525743412.

The previous prime is 1226734633. The next prime is 1226734643. The reversal of 1226734642 is 2464376221.

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

It is not an unprimeable number, because it can be changed into a prime (1226734643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43811938 + ... + 43811965.

It is an arithmetic number, because the mean of its divisors is an integer number (262871712).

Almost surely, 2^1226734642 is an apocalyptic number.

1226734642 is a deficient number, since it is larger than the sum of its proper divisors (876239054).

1226734642 is an equidigital number, since it uses as much as digits as its factorization.

1226734642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87623912.

The product of its digits is 96768, while the sum is 37.

The square root of 1226734642 is about 35024.7718336608. The cubic root of 1226734642 is about 1070.4922886841.

The spelling of 1226734642 in words is "one billion, two hundred twenty-six million, seven hundred thirty-four thousand, six hundred forty-two".