1242233135 has 32 divisors (see below), whose sum is σ = 1754403840. Its totient is φ = 832464000.

The previous prime is 1242233099. The next prime is 1242233159. The reversal of 1242233135 is 5313322421.

It is a happy number.

It is not a de Polignac number, because 1242233135 - 2⁶ = 1242233071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 527210 + ... + 529560.

It is an arithmetic number, because the mean of its divisors is an integer number (54825120).

Almost surely, 2^1242233135 is an apocalyptic number.

1242233135 is a deficient number, since it is larger than the sum of its proper divisors (512170705).

1242233135 is a wasteful number, since it uses less digits than its factorization.

1242233135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119.

The product of its digits is 4320, while the sum is 26.

The square root of 1242233135 is about 35245.3278463969. The cubic root of 1242233135 is about 1074.9816142520.

Adding to 1242233135 its reverse (5313322421), we get a palindrome (6555555556).

The spelling of 1242233135 in words is "one billion, two hundred forty-two million, two hundred thirty-three thousand, one hundred thirty-five".