1024012140 has 24 divisors (see below), whose sum is σ = 2867234160. Its totient is φ = 273069888.

The previous prime is 1024012139. The next prime is 1024012147. The reversal of 1024012140 is 412104201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1024012147) 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, 8533375 + ... + 8533494.

It is an arithmetic number, because the mean of its divisors is an integer number (119468090).

Almost surely, 2^1024012140 is an apocalyptic number.

1024012140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024012140 is an abundant number, since it is smaller than the sum of its proper divisors (1843222020).

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

1024012140 is a wasteful number, since it uses less digits than its factorization.

1024012140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17066881 (or 17066879 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1024012140 is about 32000.1896869378. The cubic root of 1024012140 is about 1007.9408230881.

Adding to 1024012140 its reverse (412104201), we get a palindrome (1436116341).

The spelling of 1024012140 in words is "one billion, twenty-four million, twelve thousand, one hundred forty".