1240286625 has 48 divisors (see below), whose sum is σ = 2287908480. Its totient is φ = 646077600.

The previous prime is 1240286599. The next prime is 1240286653. The reversal of 1240286625 is 5266820421.

It is a happy number.

1240286625 is a `hidden beast` number, since 1 + 2 + 4 + 0 + 28 + 6 + 625 = 666.

It is not a de Polignac number, because 1240286625 - 2¹⁶ = 1240221089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1240286625.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35556 + ... + 61194.

It is an arithmetic number, because the mean of its divisors is an integer number (47664760).

Almost surely, 2^1240286625 is an apocalyptic number.

1240286625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1240286625 is a deficient number, since it is larger than the sum of its proper divisors (1047621855).

1240286625 is a wasteful number, since it uses less digits than its factorization.

1240286625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25703 (or 25690 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 1240286625 is about 35217.7032896809. The cubic root of 1240286625 is about 1074.4198419943.

The spelling of 1240286625 in words is "one billion, two hundred forty million, two hundred eighty-six thousand, six hundred twenty-five".