1117476421 has 4 divisors (see below), whose sum is σ = 1117546092. Its totient is φ = 1117406752.

The previous prime is 1117476397. The next prime is 1117476427. The reversal of 1117476421 is 1246747111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 790228321 + 327248100 = 28111^2 + 18090^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117476421 - 2⁷ = 1117476293 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 (1117476427) 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, 2721 + ... + 47353.

It is an arithmetic number, because the mean of its divisors is an integer number (279386523).

Almost surely, 2^1117476421 is an apocalyptic number.

It is an amenable number.

1117476421 is a deficient number, since it is larger than the sum of its proper divisors (69671).

1117476421 is an equidigital number, since it uses as much as digits as its factorization.

1117476421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69670.

The product of its digits is 9408, while the sum is 34.

The square root of 1117476421 is about 33428.6766265134. The cubic root of 1117476421 is about 1037.7182535178.

The spelling of 1117476421 in words is "one billion, one hundred seventeen million, four hundred seventy-six thousand, four hundred twenty-one".