1240302133 has 16 divisors (see below), whose sum is σ = 1519879680. Its totient is φ = 987906816.

The previous prime is 1240302127. The next prime is 1240302137. The reversal of 1240302133 is 3312030421.

It is a cyclic number.

It is not a de Polignac number, because 1240302133 - 2⁵ = 1240302101 is a prime.

It is a super-2 number, since 2×1240302133² = 3076698762248699378, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1240302133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240302137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56566 + ... + 75367.

It is an arithmetic number, because the mean of its divisors is an integer number (94992480).

Almost surely, 2^1240302133 is an apocalyptic number.

It is an amenable number.

1240302133 is a deficient number, since it is larger than the sum of its proper divisors (279577547).

1240302133 is a wasteful number, since it uses less digits than its factorization.

1240302133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132036.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1240302133 is about 35217.9234623508. The cubic root of 1240302133 is about 1074.4243200005.

Adding to 1240302133 its reverse (3312030421), we get a palindrome (4552332554).

The spelling of 1240302133 in words is "one billion, two hundred forty million, three hundred two thousand, one hundred thirty-three".