1242133310 has 32 divisors (see below), whose sum is σ = 2440755072. Its totient is φ = 451378080.

The previous prime is 1242133309. The next prime is 1242133351. The reversal of 1242133310 is 133312421.

It is a super-2 number, since 2×1242133310² = 3085790319623112200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215729 + ... + 221411.

It is an arithmetic number, because the mean of its divisors is an integer number (76273596).

Almost surely, 2^1242133310 is an apocalyptic number.

1242133310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242133310 is a deficient number, since it is larger than the sum of its proper divisors (1198621762).

1242133310 is a wasteful number, since it uses less digits than its factorization.

1242133310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7688.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1242133310 is about 35243.9116727982. The cubic root of 1242133310 is about 1074.9528185530.

Adding to 1242133310 its reverse (133312421), we get a palindrome (1375445731).

The spelling of 1242133310 in words is "one billion, two hundred forty-two million, one hundred thirty-three thousand, three hundred ten".