1514020987 has 2 divisors, whose sum is σ = 1514020988. Its totient is φ = 1514020986.

The previous prime is 1514020973. The next prime is 1514021053. The reversal of 1514020987 is 7890204151.

It is a weak prime.

It is an emirp because it is prime and its reverse (7890204151) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1514020987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1514020957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757010493 + 757010494.

It is an arithmetic number, because the mean of its divisors is an integer number (757010494).

Almost surely, 2^1514020987 is an apocalyptic number.

1514020987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1514020987 is an equidigital number, since it uses as much as digits as its factorization.

1514020987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1514020987 is about 38910.4226011489. The cubic root of 1514020987 is about 1148.2698588504.

The spelling of 1514020987 in words is "one billion, five hundred fourteen million, twenty thousand, nine hundred eighty-seven".