1242133330 has 8 divisors (see below), whose sum is σ = 2235840012. Its totient is φ = 496853328.

The previous prime is 1242133309. The next prime is 1242133351. The reversal of 1242133330 is 333312421.

It is an interprime number because it is at equal distance from previous prime (1242133309) and next prime (1242133351).

It can be written as a sum of positive squares in 2 ways, for example, as 1134948721 + 107184609 = 33689^2 + 10353^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62106657 + ... + 62106676.

Almost surely, 2^1242133330 is an apocalyptic number.

1242133330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242133330 is a deficient number, since it is larger than the sum of its proper divisors (993706682).

1242133330 is a wasteful number, since it uses less digits than its factorization.

1242133330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124213340.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1242133330 is about 35243.9119565351. The cubic root of 1242133330 is about 1074.9528243224.

Adding to 1242133330 its reverse (333312421), we get a palindrome (1575445751).

The spelling of 1242133330 in words is "one billion, two hundred forty-two million, one hundred thirty-three thousand, three hundred thirty".