1242134033 has 8 divisors (see below), whose sum is σ = 1442854080. Its totient is φ = 1047232080.

The previous prime is 1242134029. The next prime is 1242134051. The reversal of 1242134033 is 3304312421.

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 1242134033 - 2² = 1242134029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242134083) 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, 1454063 + ... + 1454916.

It is an arithmetic number, because the mean of its divisors is an integer number (180356760).

Almost surely, 2^1242134033 is an apocalyptic number.

It is an amenable number.

1242134033 is a deficient number, since it is larger than the sum of its proper divisors (200720047).

1242134033 is an equidigital number, since it uses as much as digits as its factorization.

1242134033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909047.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1242134033 is about 35243.9219298874. The cubic root of 1242134033 is about 1074.9530271164.

Adding to 1242134033 its reverse (3304312421), we get a palindrome (4546446454).

The spelling of 1242134033 in words is "one billion, two hundred forty-two million, one hundred thirty-four thousand, thirty-three".