1240133332 has 6 divisors (see below), whose sum is σ = 2170233338. Its totient is φ = 620066664.

The previous prime is 1240133311. The next prime is 1240133333. The reversal of 1240133332 is 2333310421.

It can be written as a sum of positive squares in only one way, i.e., 1225280016 + 14853316 = 35004^2 + 3854^2 .

It is a super-2 number, since 2×1240133332² = 3075861362274844448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240133333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155016663 + ... + 155016670.

Almost surely, 2^1240133332 is an apocalyptic number.

It is an amenable number.

1240133332 is a deficient number, since it is larger than the sum of its proper divisors (930100006).

1240133332 is a wasteful number, since it uses less digits than its factorization.

1240133332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310033337 (or 310033335 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1240133332 is about 35215.5268596112. The cubic root of 1240133332 is about 1074.3755759289.

Adding to 1240133332 its reverse (2333310421), we get a palindrome (3573443753).

The spelling of 1240133332 in words is "one billion, two hundred forty million, one hundred thirty-three thousand, three hundred thirty-two".