1449999987 has 4 divisors (see below), whose sum is σ = 1933333320. Its totient is φ = 966666656.

The previous prime is 1449999979. The next prime is 1450000001. The reversal of 1449999987 is 7899999441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1449999987 - 2³ = 1449999979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1449999937) 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, 241666662 + ... + 241666667.

It is an arithmetic number, because the mean of its divisors is an integer number (483333330).

Almost surely, 2^1449999987 is an apocalyptic number.

1449999987 is a deficient number, since it is larger than the sum of its proper divisors (483333333).

1449999987 is an equidigital number, since it uses as much as digits as its factorization.

1449999987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483333332.

The product of its digits is 52907904, while the sum is 69.

The square root of 1449999987 is about 38078.8653586212. The cubic root of 1449999987 is about 1131.8511925804.

The spelling of 1449999987 in words is "one billion, four hundred forty-nine million, nine hundred ninety-nine thousand, nine hundred eighty-seven".