1014143240 has 64 divisors (see below), whose sum is σ = 2620296000. Its totient is φ = 349367040.

The previous prime is 1014143233. The next prime is 1014143243. The reversal of 1014143240 is 423414101.

It is a super-2 number, since 2×1014143240² = 2056973022475395200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1014143243) by changing a digit.

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, 52295 + ... + 69014.

It is an arithmetic number, because the mean of its divisors is an integer number (40942125).

Almost surely, 2^1014143240 is an apocalyptic number.

1014143240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1014143240 is an abundant number, since it is smaller than the sum of its proper divisors (1606152760).

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

1014143240 is a wasteful number, since it uses less digits than its factorization.

1014143240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121350 (or 121346 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1014143240 is about 31845.6157108008. The cubic root of 1014143240 is about 1004.6923606457.

Adding to 1014143240 its reverse (423414101), we get a palindrome (1437557341).

The spelling of 1014143240 in words is "one billion, fourteen million, one hundred forty-three thousand, two hundred forty".