1427601101 has 4 divisors (see below), whose sum is σ = 1427685792. Its totient is φ = 1427516412.

The previous prime is 1427601073. The next prime is 1427601113. The reversal of 1427601101 is 1011067241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1427601101 - 2⁶ = 1427601037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427609101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7505 + ... + 53958.

It is an arithmetic number, because the mean of its divisors is an integer number (356921448).

Almost surely, 2^1427601101 is an apocalyptic number.

It is an amenable number.

1427601101 is a deficient number, since it is larger than the sum of its proper divisors (84691).

1427601101 is an equidigital number, since it uses as much as digits as its factorization.

1427601101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84690.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1427601101 is about 37783.6088932754. The cubic root of 1427601101 is about 1125.9928291690.

Adding to 1427601101 its reverse (1011067241), we get a palindrome (2438668342).

The spelling of 1427601101 in words is "one billion, four hundred twenty-seven million, six hundred one thousand, one hundred one".