1333980987 has 4 divisors (see below), whose sum is σ = 1778641320. Its totient is φ = 889320656.

The previous prime is 1333980971. The next prime is 1333980997. The reversal of 1333980987 is 7890893331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7890893331 = 3 ⋅2630297777.

It is a cyclic number.

It is not a de Polignac number, because 1333980987 - 2⁴ = 1333980971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1333980917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222330162 + ... + 222330167.

It is an arithmetic number, because the mean of its divisors is an integer number (444660330).

Almost surely, 2^1333980987 is an apocalyptic number.

1333980987 is a deficient number, since it is larger than the sum of its proper divisors (444660333).

1333980987 is an equidigital number, since it uses as much as digits as its factorization.

1333980987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444660332.

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 1333980987 is about 36523.7044534094. The cubic root of 1333980987 is about 1100.8205962258.

The spelling of 1333980987 in words is "one billion, three hundred thirty-three million, nine hundred eighty thousand, nine hundred eighty-seven".