1488181 has 2 divisors, whose sum is σ = 1488182. Its totient is φ = 1488180.

The previous prime is 1488173. The next prime is 1488199. The reversal of 1488181 is 1818841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 933156 + 555025 = 966^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 1488181 - 2³ = 1488173 is a prime.

It is a super-2 number, since 2×1488181² = 4429365377522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1488121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744090 + 744091.

It is an arithmetic number, because the mean of its divisors is an integer number (744091).

2^1488181 is an apocalyptic number.

It is an amenable number.

1488181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1488181 is an equidigital number, since it uses as much as digits as its factorization.

1488181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 31.

The square root of 1488181 is about 1219.9102425998. The cubic root of 1488181 is about 114.1699782962.

The spelling of 1488181 in words is "one million, four hundred eighty-eight thousand, one hundred eighty-one".