1240202132 has 12 divisors (see below), whose sum is σ = 2337304116. Its totient is φ = 572400960.

The previous prime is 1240202123. The next prime is 1240202167. The reversal of 1240202132 is 2312020421.

It can be written as a sum of positive squares in 2 ways, for example, as 458216836 + 781985296 = 21406^2 + 27964^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1240202132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11924969 + ... + 11925072.

It is an arithmetic number, because the mean of its divisors is an integer number (194775343).

Almost surely, 2^1240202132 is an apocalyptic number.

It is an amenable number.

1240202132 is a deficient number, since it is larger than the sum of its proper divisors (1097101984).

1240202132 is a wasteful number, since it uses less digits than its factorization.

1240202132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23850058 (or 23850056 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1240202132 is about 35216.5036879018. The cubic root of 1240202132 is about 1074.3954435971.

Adding to 1240202132 its reverse (2312020421), we get a palindrome (3552222553).

The spelling of 1240202132 in words is "one billion, two hundred forty million, two hundred two thousand, one hundred thirty-two".