1246113540 has 72 divisors (see below), whose sum is σ = 4319864640. Its totient is φ = 284825664.

The previous prime is 1246113529. The next prime is 1246113559. The reversal of 1246113540 is 453116421.

It is a happy number.

1246113540 is a `hidden beast` number, since 1 + 2 + 4 + 6 + 113 + 540 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 493230 + ... + 495749.

It is an arithmetic number, because the mean of its divisors is an integer number (59998120).

Almost surely, 2^1246113540 is an apocalyptic number.

1246113540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1246113540 is an abundant number, since it is smaller than the sum of its proper divisors (3073751100).

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

1246113540 is a wasteful number, since it uses less digits than its factorization.

1246113540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989001 (or 988996 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1246113540 is about 35300.3334261874. Note that the first 3 decimals coincide. The cubic root of 1246113540 is about 1076.0997694049.

Adding to 1246113540 its reverse (453116421), we get a palindrome (1699229961).

The spelling of 1246113540 in words is "one billion, two hundred forty-six million, one hundred thirteen thousand, five hundred forty".