1012501140 has 48 divisors (see below), whose sum is σ = 3240004992. Its totient is φ = 231428736.

The previous prime is 1012501129. The next prime is 1012501141. The reversal of 1012501140 is 411052101.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012501141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1204939 + ... + 1205778.

It is an arithmetic number, because the mean of its divisors is an integer number (67500104).

Almost surely, 2^1012501140 is an apocalyptic number.

1012501140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012501140 is an abundant number, since it is smaller than the sum of its proper divisors (2227503852).

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

1012501140 is a wasteful number, since it uses less digits than its factorization.

1012501140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410736 (or 2410734 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1012501140 is about 31819.8230667614. The cubic root of 1012501140 is about 1004.1498019891.

Adding to 1012501140 its reverse (411052101), we get a palindrome (1423553241).

The spelling of 1012501140 in words is "one billion, twelve million, five hundred one thousand, one hundred forty".