1226375642 has 8 divisors (see below), whose sum is σ = 1840818432. Its totient is φ = 612769500.

The previous prime is 1226375611. The next prime is 1226375669. The reversal of 1226375642 is 2465736221.

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

It is a super-3 number, since 3×1226375642³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1226375596 and 1226375605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205484 + ... + 211367.

It is an arithmetic number, because the mean of its divisors is an integer number (230102304).

Almost surely, 2^1226375642 is an apocalyptic number.

1226375642 is a deficient number, since it is larger than the sum of its proper divisors (614442790).

1226375642 is a wasteful number, since it uses less digits than its factorization.

1226375642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418324.

The product of its digits is 120960, while the sum is 38.

The square root of 1226375642 is about 35019.6465144924. The cubic root of 1226375642 is about 1070.3878531054.

The spelling of 1226375642 in words is "one billion, two hundred twenty-six million, three hundred seventy-five thousand, six hundred forty-two".