1481638101 has 32 divisors (see below), whose sum is σ = 2105698560. Its totient is φ = 924908544.

The previous prime is 1481637977. The next prime is 1481638117. The reversal of 1481638101 is 1018361841.

It is a happy number.

It is not a de Polignac number, because 1481638101 - 2¹⁷ = 1481507029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481638121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1393296 + ... + 1394358.

It is an arithmetic number, because the mean of its divisors is an integer number (65803080).

Almost surely, 2^1481638101 is an apocalyptic number.

It is an amenable number.

1481638101 is a deficient number, since it is larger than the sum of its proper divisors (624060459).

1481638101 is a wasteful number, since it uses less digits than its factorization.

1481638101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 1481638101 is about 38492.0524394322. The cubic root of 1481638101 is about 1140.0241353770.

Adding to 1481638101 its reverse (1018361841), we get a palindrome (2499999942).

The spelling of 1481638101 in words is "one billion, four hundred eighty-one million, six hundred thirty-eight thousand, one hundred one".