1012341240 has 80 divisors (see below), whose sum is σ = 3402602280. Its totient is φ = 269956800.

The previous prime is 1012341227. The next prime is 1012341263. The reversal of 1012341240 is 421432101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 152986 + ... + 159465.

Almost surely, 2^1012341240 is an apocalyptic number.

1012341240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012341240 is an abundant number, since it is smaller than the sum of its proper divisors (2390261040).

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

1012341240 is a wasteful number, since it uses less digits than its factorization.

1012341240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312474 (or 312461 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1012341240 is about 31817.3103828718. The cubic root of 1012341240 is about 1004.0969388366.

Adding to 1012341240 its reverse (421432101), we get a palindrome (1433773341).

The spelling of 1012341240 in words is "one billion, twelve million, three hundred forty-one thousand, two hundred forty".