1226245642 has 8 divisors (see below), whose sum is σ = 1839549600. Its totient is φ = 613062444.

The previous prime is 1226245633. The next prime is 1226245661. The reversal of 1226245642 is 2465426221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1226245598 and 1226245607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2109 + ... + 49567.

It is an arithmetic number, because the mean of its divisors is an integer number (229943700).

Almost surely, 2^1226245642 is an apocalyptic number.

1226245642 is a deficient number, since it is larger than the sum of its proper divisors (613303958).

1226245642 is a wasteful number, since it uses less digits than its factorization.

1226245642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60380.

The product of its digits is 46080, while the sum is 34.

The square root of 1226245642 is about 35017.7903643277. The cubic root of 1226245642 is about 1070.3500301815.

The spelling of 1226245642 in words is "one billion, two hundred twenty-six million, two hundred forty-five thousand, six hundred forty-two".