1427051601 has 20 divisors (see below), whose sum is σ = 2243969200. Its totient is φ = 901294776.

The previous prime is 1427051597. The next prime is 1427051611. The reversal of 1427051601 is 1061507241.

It is a happy number.

1427051601 is a `hidden beast` number, since 1 + 4 + 2 + 7 + 0 + 51 + 601 = 666.

It is not a de Polignac number, because 1427051601 - 2² = 1427051597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1427051611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 462091 + ... + 465168.

It is an arithmetic number, because the mean of its divisors is an integer number (112198460).

Almost surely, 2^1427051601 is an apocalyptic number.

It is an amenable number.

1427051601 is a deficient number, since it is larger than the sum of its proper divisors (816917599).

1427051601 is an equidigital number, since it uses as much as digits as its factorization.

1427051601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927290 (or 927281 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 1427051601 is about 37776.3365216904. The cubic root of 1427051601 is about 1125.8483414541.

Adding to 1427051601 its reverse (1061507241), we get a palindrome (2488558842).

The spelling of 1427051601 in words is "one billion, four hundred twenty-seven million, fifty-one thousand, six hundred one".