1481437387 has 2 divisors, whose sum is σ = 1481437388. Its totient is φ = 1481437386.

The previous prime is 1481437357. The next prime is 1481437423. The reversal of 1481437387 is 7837341841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1481437387 - 2⁷ = 1481437259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1481437357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740718693 + 740718694.

It is an arithmetic number, because the mean of its divisors is an integer number (740718694).

Almost surely, 2^1481437387 is an apocalyptic number.

1481437387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481437387 is an equidigital number, since it uses as much as digits as its factorization.

1481437387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 46.

The square root of 1481437387 is about 38489.4451375958. The cubic root of 1481437387 is about 1139.9726542635.

The spelling of 1481437387 in words is "one billion, four hundred eighty-one million, four hundred thirty-seven thousand, three hundred eighty-seven".