1242226153 has 8 divisors (see below), whose sum is σ = 1439683200. Its totient is φ = 1049768160.

The previous prime is 1242226151. The next prime is 1242226171. The reversal of 1242226153 is 3516222421.

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

It is not a de Polignac number, because 1242226153 - 2¹ = 1242226151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242226151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1249228 + ... + 1250221.

It is an arithmetic number, because the mean of its divisors is an integer number (179960400).

Almost surely, 2^1242226153 is an apocalyptic number.

It is an amenable number.

1242226153 is a deficient number, since it is larger than the sum of its proper divisors (197457047).

1242226153 is an equidigital number, since it uses as much as digits as its factorization.

1242226153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499527.

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

The square root of 1242226153 is about 35245.2287976685. The cubic root of 1242226153 is about 1074.9796002619.

Adding to 1242226153 its reverse (3516222421), we get a palindrome (4758448574).

The spelling of 1242226153 in words is "one billion, two hundred forty-two million, two hundred twenty-six thousand, one hundred fifty-three".