1226142235 has 8 divisors (see below), whose sum is σ = 1480398480. Its totient is φ = 974895264.

The previous prime is 1226142217. The next prime is 1226142241. The reversal of 1226142235 is 5322416221.

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

It is a cyclic number.

It is not a de Polignac number, because 1226142235 - 2⁹ = 1226141723 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751420 + ... + 753049.

It is an arithmetic number, because the mean of its divisors is an integer number (185049810).

Almost surely, 2^1226142235 is an apocalyptic number.

1226142235 is a deficient number, since it is larger than the sum of its proper divisors (254256245).

1226142235 is a wasteful number, since it uses less digits than its factorization.

1226142235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504637.

The product of its digits is 5760, while the sum is 28.

The square root of 1226142235 is about 35016.3138408371. The cubic root of 1226142235 is about 1070.3199424641.

Adding to 1226142235 its reverse (5322416221), we get a palindrome (6548558456).

The spelling of 1226142235 in words is "one billion, two hundred twenty-six million, one hundred forty-two thousand, two hundred thirty-five".