1250285641 has 8 divisors (see below), whose sum is σ = 1364436000. Its totient is φ = 1136216640.

The previous prime is 1250285639. The next prime is 1250285657. The reversal of 1250285641 is 1465820521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1250285641 - 2¹ = 1250285639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1250285597 and 1250285606.

It is not an unprimeable number, because it can be changed into a prime (1250285441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14385 + ... + 52033.

It is an arithmetic number, because the mean of its divisors is an integer number (170554500).

Almost surely, 2^1250285641 is an apocalyptic number.

1250285641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1250285641 is a deficient number, since it is larger than the sum of its proper divisors (114150359).

1250285641 is a wasteful number, since it uses less digits than its factorization.

1250285641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40679.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 1250285641 is about 35359.3784023419. The cubic root of 1250285641 is about 1077.2993914173.

The spelling of 1250285641 in words is "one billion, two hundred fifty million, two hundred eighty-five thousand, six hundred forty-one".