1021609226 has 16 divisors (see below), whose sum is σ = 1673542080. Its totient is φ = 463862880.

The previous prime is 1021609219. The next prime is 1021609229. The reversal of 1021609226 is 6229061201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1021609229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4166 + ... + 45393.

It is an arithmetic number, because the mean of its divisors is an integer number (104596380).

Almost surely, 2^1021609226 is an apocalyptic number.

1021609226 is a deficient number, since it is larger than the sum of its proper divisors (651932854).

1021609226 is a wasteful number, since it uses less digits than its factorization.

1021609226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50509.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1021609226 is about 31962.6223267116. The cubic root of 1021609226 is about 1007.1518050831.

The spelling of 1021609226 in words is "one billion, twenty-one million, six hundred nine thousand, two hundred twenty-six".