1072547140 has 48 divisors (see below), whose sum is σ = 2616332544. Its totient is φ = 361699200.

The previous prime is 1072547129. The next prime is 1072547143. The reversal of 1072547140 is 417452701.

It is not an unprimeable number, because it can be changed into a prime (1072547143) 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, 54256 + ... + 71335.

It is an arithmetic number, because the mean of its divisors is an integer number (54506928).

Almost surely, 2^1072547140 is an apocalyptic number.

1072547140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1072547140 is an abundant number, since it is smaller than the sum of its proper divisors (1543785404).

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

1072547140 is a wasteful number, since it uses less digits than its factorization.

1072547140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125668 (or 125666 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 1072547140 is about 32749.7654953436. The cubic root of 1072547140 is about 1023.6200792449.

Adding to 1072547140 its reverse (417452701), we get a palindrome (1489999841).

The spelling of 1072547140 in words is "one billion, seventy-two million, five hundred forty-seven thousand, one hundred forty".