1013123140 has 24 divisors (see below), whose sum is σ = 2157527232. Its totient is φ = 399540960.

The previous prime is 1013123131. The next prime is 1013123171. The reversal of 1013123140 is 413213101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355314 + ... + 358153.

It is an arithmetic number, because the mean of its divisors is an integer number (89896968).

Almost surely, 2^1013123140 is an apocalyptic number.

1013123140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013123140 is an abundant number, since it is smaller than the sum of its proper divisors (1144404092).

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

1013123140 is a wasteful number, since it uses less digits than its factorization.

1013123140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713547 (or 713545 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1013123140 is about 31829.5953477263. The cubic root of 1013123140 is about 1004.3553830985.

Adding to 1013123140 its reverse (413213101), we get a palindrome (1426336241).

The spelling of 1013123140 in words is "one billion, thirteen million, one hundred twenty-three thousand, one hundred forty".