1240002132 has 24 divisors (see below), whose sum is σ = 2894136672. Its totient is φ = 413220000.

The previous prime is 1240002121. The next prime is 1240002133. The reversal of 1240002132 is 2312000421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240002133) 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, 39007 + ... + 63257.

It is an arithmetic number, because the mean of its divisors is an integer number (120589028).

Almost surely, 2^1240002132 is an apocalyptic number.

1240002132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1240002132 is an abundant number, since it is smaller than the sum of its proper divisors (1654134540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1240002132 is a wasteful number, since it uses less digits than its factorization.

1240002132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28519 (or 28517 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1240002132 is about 35213.6639956708. The cubic root of 1240002132 is about 1074.3376867108.

Adding to 1240002132 its reverse (2312000421), we get a palindrome (3552002553).

The spelling of 1240002132 in words is "one billion, two hundred forty million, two thousand, one hundred thirty-two".