1420481501 has 2 divisors, whose sum is σ = 1420481502. Its totient is φ = 1420481500.

The previous prime is 1420481497. The next prime is 1420481533. The reversal of 1420481501 is 1051840241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 950242276 + 470239225 = 30826^2 + 21685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420481501 - 2² = 1420481497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420481561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710240750 + 710240751.

It is an arithmetic number, because the mean of its divisors is an integer number (710240751).

Almost surely, 2^1420481501 is an apocalyptic number.

It is an amenable number.

1420481501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420481501 is an equidigital number, since it uses as much as digits as its factorization.

1420481501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1420481501 is about 37689.2756762451. The cubic root of 1420481501 is about 1124.1178931507.

The spelling of 1420481501 in words is "one billion, four hundred twenty million, four hundred eighty-one thousand, five hundred one".