1240233351 has 32 divisors (see below), whose sum is σ = 2006830080. Its totient is φ = 665089536.

The previous prime is 1240233329. The next prime is 1240233353. The reversal of 1240233351 is 1533320421.

It is not a de Polignac number, because 1240233351 - 2⁶ = 1240233287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240233353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123325 + ... + 133001.

It is an arithmetic number, because the mean of its divisors is an integer number (62713440).

Almost surely, 2^1240233351 is an apocalyptic number.

1240233351 is a deficient number, since it is larger than the sum of its proper divisors (766596729).

1240233351 is a wasteful number, since it uses less digits than its factorization.

1240233351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10063.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1240233351 is about 35216.9469290000. The cubic root of 1240233351 is about 1074.4044585980.

Adding to 1240233351 its reverse (1533320421), we get a palindrome (2773553772).

It can be divided in two parts, 12402 and 33351, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 1240233351 in words is "one billion, two hundred forty million, two hundred thirty-three thousand, three hundred fifty-one".