1012502140 has 24 divisors (see below), whose sum is σ = 2289813120. Its totient is φ = 373846848.

The previous prime is 1012502107. The next prime is 1012502171. The reversal of 1012502140 is 412052101.

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 7 ways as a sum of consecutive naturals, for example, 1946860 + ... + 1947379.

It is an arithmetic number, because the mean of its divisors is an integer number (95408880).

Almost surely, 2^1012502140 is an apocalyptic number.

1012502140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012502140 is an abundant number, since it is smaller than the sum of its proper divisors (1277310980).

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

1012502140 is a wasteful number, since it uses less digits than its factorization.

1012502140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894261 (or 3894259 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1012502140 is about 31819.8387802327. The cubic root of 1012502140 is about 1004.1501325729.

Adding to 1012502140 its reverse (412052101), we get a palindrome (1424554241).

The spelling of 1012502140 in words is "one billion, twelve million, five hundred two thousand, one hundred forty".