1242353011 has 8 divisors (see below), whose sum is σ = 1298445120. Its totient is φ = 1187144448.

The previous prime is 1242353003. The next prime is 1242353051. The reversal of 1242353011 is 1103532421.

It is a happy number.

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 1242353011 - 2³ = 1242353003 is a prime.

It is a super-2 number, since 2×1242353011² = 3086882007881532242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242353051) 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, 218011 + ... + 223636.

It is an arithmetic number, because the mean of its divisors is an integer number (162305640).

Almost surely, 2^1242353011 is an apocalyptic number.

1242353011 is a deficient number, since it is larger than the sum of its proper divisors (56092109).

1242353011 is an equidigital number, since it uses as much as digits as its factorization.

1242353011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441773.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1242353011 is about 35247.0283995687. The cubic root of 1242353011 is about 1075.0161918600.

Adding to 1242353011 its reverse (1103532421), we get a palindrome (2345885432).

The spelling of 1242353011 in words is "one billion, two hundred forty-two million, three hundred fifty-three thousand, eleven".