1481491101 has 4 divisors (see below), whose sum is σ = 1975321472. Its totient is φ = 987660732.

The previous prime is 1481491097. The next prime is 1481491159. The reversal of 1481491101 is 1011941841.

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.

It is not a de Polignac number, because 1481491101 - 2² = 1481491097 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 (1481491181) 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, 246915181 + ... + 246915186.

It is an arithmetic number, because the mean of its divisors is an integer number (493830368).

Almost surely, 2^1481491101 is an apocalyptic number.

It is an amenable number.

1481491101 is a deficient number, since it is larger than the sum of its proper divisors (493830371).

1481491101 is an equidigital number, since it uses as much as digits as its factorization.

1481491101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493830370.

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 1481491101 is about 38490.1429069833. The cubic root of 1481491101 is about 1139.9864318176.

The spelling of 1481491101 in words is "one billion, four hundred eighty-one million, four hundred ninety-one thousand, one hundred one".