1240992852 has 48 divisors (see below), whose sum is σ = 3170990592. Its totient is φ = 374618080.

The previous prime is 1240992833. The next prime is 1240992869. The reversal of 1240992852 is 2582990421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16843 + ... + 52589.

It is an arithmetic number, because the mean of its divisors is an integer number (66062304).

Almost surely, 2^1240992852 is an apocalyptic number.

1240992852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240992852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585495296).

1240992852 is an abundant number, since it is smaller than the sum of its proper divisors (1929997740).

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

1240992852 is a wasteful number, since it uses less digits than its factorization.

1240992852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36028 (or 36026 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1240992852 is about 35227.7284535918. The cubic root of 1240992852 is about 1074.6237304378.

The spelling of 1240992852 in words is "one billion, two hundred forty million, nine hundred ninety-two thousand, eight hundred fifty-two".