1480991 has 2 divisors, whose sum is σ = 1480992. Its totient is φ = 1480990.

The previous prime is 1480937. The next prime is 1481003. The reversal of 1480991 is 1990841.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1480991 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1480931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740495 + 740496.

It is an arithmetic number, because the mean of its divisors is an integer number (740496).

2^1480991 is an apocalyptic number.

1480991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1480991 is an equidigital number, since it uses as much as digits as its factorization.

1480991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1480991 is about 1216.9597363923. The cubic root of 1480991 is about 113.9858143834.

The spelling of 1480991 in words is "one million, four hundred eighty thousand, nine hundred ninety-one".