1284940601 has 4 divisors (see below), whose sum is σ = 1468503552. Its totient is φ = 1101377652.

The previous prime is 1284940589. The next prime is 1284940621. The reversal of 1284940601 is 1060494821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1060494821 = 61 ⋅17385161.

It is a cyclic number.

It is not a de Polignac number, because 1284940601 - 2¹⁴ = 1284924217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1284940621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91781465 + ... + 91781478.

It is an arithmetic number, because the mean of its divisors is an integer number (367125888).

Almost surely, 2^1284940601 is an apocalyptic number.

It is an amenable number.

1284940601 is a deficient number, since it is larger than the sum of its proper divisors (183562951).

1284940601 is an equidigital number, since it uses as much as digits as its factorization.

1284940601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183562950.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1284940601 is about 35846.0681386397. The cubic root of 1284940601 is about 1087.1622171267.

The spelling of 1284940601 in words is "one billion, two hundred eighty-four million, nine hundred forty thousand, six hundred one".